National Guard Jobs
  • HOME
  • APPLY NOW
  • JOB BLOG
  • CAREERS
  • NATIONALGUARD.COM
  • Sign in
  • Sign up
  • HOME
  • APPLY NOW
  • JOB BLOG
  • CAREERS
  • NATIONALGUARD.COM

Modal title

15 jobs found in sparta

Refine Search
Illinois - Army National Guard
12K Plumber
Illinois - Army National Guard Sparta, IL 62286, USA
Clean, running water and heat are necessities of life, and as a Plumber for the Army National Guard, you’ll train for a career that will always be in demand. In this role, you will work on pipe systems for water, steam, and waste, as well as hydraulic and pneumatic systems. Duties include reading drawings, plans, and specifications, planning the layout of pipe systems, and installing and maintaining pipe systems and plumbing fixtures. This will require the ability to work with pipe made of various materials and different pipe connection methods. Job Duties • Maintain heating systems, basic water supply, and water distribution systems Some of the Skills You’ll Learn • Installation and repair of plumbing fixtures, boiler controls, water purification, and distillation systems Helpful Skills • Interest in math and shop mechanics • Preference for physical work Through your training, you will develop the skills and experience to enjoy a...
Apr 20, 2021
Clean, running water and heat are necessities of life, and as a Plumber for the Army National Guard, you’ll train for a career that will always be in demand. In this role, you will work on pipe systems for water, steam, and waste, as well as hydraulic and pneumatic systems. Duties include reading drawings, plans, and specifications, planning the layout of pipe systems, and installing and maintaining pipe systems and plumbing fixtures. This will require the ability to work with pipe made of various materials and different pipe connection methods. Job Duties • Maintain heating systems, basic water supply, and water distribution systems Some of the Skills You’ll Learn • Installation and repair of plumbing fixtures, boiler controls, water purification, and distillation systems Helpful Skills • Interest in math and shop mechanics • Preference for physical work Through your training, you will develop the skills and experience to enjoy a...
Illinois - Army National Guard
12N Horizontal Construction Engineers
Illinois - Army National Guard Sparta, IL 62286, USA
Before a road, airfield, or a building can be constructed, all obstacles must be removed from the site. As a Horizontal Construction Engineer in the Army National Guard, you’ll handle the heavy lifting to help your crew succeed. You’ll operate bulldozers, roadgraders, and other massive equipment to clear the way for construction. Your responsibilities will include leveling earth for runways and roadbeds, clearing, excavating, and digging areas of construction sites, spreading fill material, transporting heavy construction equipment with a tractor-trailer, moving heavy building materials with cranes, and assisting in performance of combat engineer missions. Job Duties • Analyze the information on grade stakes and placing them • Cut and spread fill material with scraper Some of the Skills You’ll Learn • Maintenance and repair of equipment • Identification of soil types and placement of grade stakes Helpful Skills •...
Apr 20, 2021
Before a road, airfield, or a building can be constructed, all obstacles must be removed from the site. As a Horizontal Construction Engineer in the Army National Guard, you’ll handle the heavy lifting to help your crew succeed. You’ll operate bulldozers, roadgraders, and other massive equipment to clear the way for construction. Your responsibilities will include leveling earth for runways and roadbeds, clearing, excavating, and digging areas of construction sites, spreading fill material, transporting heavy construction equipment with a tractor-trailer, moving heavy building materials with cranes, and assisting in performance of combat engineer missions. Job Duties • Analyze the information on grade stakes and placing them • Cut and spread fill material with scraper Some of the Skills You’ll Learn • Maintenance and repair of equipment • Identification of soil types and placement of grade stakes Helpful Skills •...
Illinois - Army National Guard
12T Technical Engineer
Illinois - Army National Guard Sparta, IL 62286, USA
Technical Engineers pen the plans that lead construction crews to success. As a Technical Engineer in the Army National Guard, you will develop the skills necessary to help build, plan, and repair airstrips, docks, barracks, roads, and other projects. Your training will enable you to assume duties that include construction site development, such as technical investigation, surveying, drafting, and the development of construction plans and specifications. Specific duties may include: construction material testing; drawing maps, charts, and making scale drawings of roads, airfields, and buildings; conducting land surveys and computing survey results; preparing structure wiring and plumbing diagrams; building scale models of land areas that show hills, lakes, roads, and buildings; and piecing together aerial photographs to form large photomaps. Job Duties • Draw topographic maps and charts using Computer Aided Drafting systems and software • Conduct geodetic and...
Apr 20, 2021
Technical Engineers pen the plans that lead construction crews to success. As a Technical Engineer in the Army National Guard, you will develop the skills necessary to help build, plan, and repair airstrips, docks, barracks, roads, and other projects. Your training will enable you to assume duties that include construction site development, such as technical investigation, surveying, drafting, and the development of construction plans and specifications. Specific duties may include: construction material testing; drawing maps, charts, and making scale drawings of roads, airfields, and buildings; conducting land surveys and computing survey results; preparing structure wiring and plumbing diagrams; building scale models of land areas that show hills, lakes, roads, and buildings; and piecing together aerial photographs to form large photomaps. Job Duties • Draw topographic maps and charts using Computer Aided Drafting systems and software • Conduct geodetic and...
Illinois - Army National Guard
12W Carpentry and Masonry Specialist
Illinois - Army National Guard Sparta, IL 62286, USA
Expand your construction skills and join the Army National Guard as a Carpentry and Masonry Specialist. You’ll gain extensive, hands-on experience in the construction and maintenance of rigging devices, building layout, framing, and fabrication, and assisting in combat engineer missions. Through the use of your basic carpentry and masonry skills, your responsibilities will involve general heavy carpentry, structural steel, and masonry duties that include the fabrication, erection, maintenance, and repair of rigging devices, trusses, and other structural assemblies. Job Duties • Assist in the performance of combat engineer missions Some of the Skills You’ll Learn • Basics in concrete technology, materials, proportioning, and control tests • Proper use of finishing tools • Edging, jointing, curing, and protection • Basics in structure foaming, roofing, and flooring Helpful Skills • Enjoy doing physical work • Interest...
Apr 20, 2021
Expand your construction skills and join the Army National Guard as a Carpentry and Masonry Specialist. You’ll gain extensive, hands-on experience in the construction and maintenance of rigging devices, building layout, framing, and fabrication, and assisting in combat engineer missions. Through the use of your basic carpentry and masonry skills, your responsibilities will involve general heavy carpentry, structural steel, and masonry duties that include the fabrication, erection, maintenance, and repair of rigging devices, trusses, and other structural assemblies. Job Duties • Assist in the performance of combat engineer missions Some of the Skills You’ll Learn • Basics in concrete technology, materials, proportioning, and control tests • Proper use of finishing tools • Edging, jointing, curing, and protection • Basics in structure foaming, roofing, and flooring Helpful Skills • Enjoy doing physical work • Interest...
Illinois - Army National Guard
25U Signal Support Systems Specialist
Illinois - Army National Guard Sparta, IL 62286, USA
Communication is the pulse of Army National Guard units, and it’s up to the Signal Support Systems Specialist to ensure the information keeps flowing so the military doesn’t miss a beat. Signal Support Systems Specialists are responsible for integrating signal systems and networks; performing signal support functions and unit-level maintenance on authorized signal equipment; and installing, operating, and maintaining radio and data distribution systems. Advanced team members supervise and train other Soldiers; maintain and install signal support systems and terminal devices; provide technical assistance and training for automation and communications equipment; prepare maintenance and supply requests for unit-level signal support; and operate and perform preventative maintenance checks and services on assigned vehicles. Job Duties • Maintain radio and data distribution systems • Perform signal support functions and technical assistance for computer...
Apr 20, 2021
Communication is the pulse of Army National Guard units, and it’s up to the Signal Support Systems Specialist to ensure the information keeps flowing so the military doesn’t miss a beat. Signal Support Systems Specialists are responsible for integrating signal systems and networks; performing signal support functions and unit-level maintenance on authorized signal equipment; and installing, operating, and maintaining radio and data distribution systems. Advanced team members supervise and train other Soldiers; maintain and install signal support systems and terminal devices; provide technical assistance and training for automation and communications equipment; prepare maintenance and supply requests for unit-level signal support; and operate and perform preventative maintenance checks and services on assigned vehicles. Job Duties • Maintain radio and data distribution systems • Perform signal support functions and technical assistance for computer...
Illinois - Army National Guard
91D Power-Generation Equipment Repairer
Illinois - Army National Guard Sparta, IL 62286, USA
Since the Army National Guard uses a plethora of electronic systems, power is essential to success. As the Power-Generation Equipment Repairer, you’ll supply the power to run virtually every aspect of Army activity whenever and wherever it’s needed. In this specialty, you’ll support military operations day or night by performing preventive maintenance checks on generation equipment, or replace voltage regulators, governors, or circuit cards. You may also adjust frequencies and voltages using technical publications to enhance equipment efficiency. Job Duties • Perform maintenance on tactical utility, precise power-generation sets, internal combustion engines, and associated equipment Some of the Skills You’ll Learn • Generator and powerplant operations • Electrical generation and distribution • Diesel generator operation, disassembly, inspection, and maintenance • Principles of electrical and electronic circuitry...
Apr 20, 2021
Since the Army National Guard uses a plethora of electronic systems, power is essential to success. As the Power-Generation Equipment Repairer, you’ll supply the power to run virtually every aspect of Army activity whenever and wherever it’s needed. In this specialty, you’ll support military operations day or night by performing preventive maintenance checks on generation equipment, or replace voltage regulators, governors, or circuit cards. You may also adjust frequencies and voltages using technical publications to enhance equipment efficiency. Job Duties • Perform maintenance on tactical utility, precise power-generation sets, internal combustion engines, and associated equipment Some of the Skills You’ll Learn • Generator and powerplant operations • Electrical generation and distribution • Diesel generator operation, disassembly, inspection, and maintenance • Principles of electrical and electronic circuitry...
Illinois - Army National Guard
91F Small Arms/Artillery Repairer
Illinois - Army National Guard Sparta, IL 62286, USA
Soldiers rely on their weapons to reign supreme on the battlefield. Working with everything from handguns and shotguns, to sniper rifles and ballistic missiles, the Small Arms/Artillery Repairer’s main responsibility is to maintain the electronic systems that keep these weapons firing for the Army National Guard. Some of the Skills You’ll Learn • Electronic and mechanical principles and concepts • Understanding schematics, drawings, blueprints, and wiring diagrams • Operating electronic, electrical, and mechanical test equipment Helpful Skills • Preference for work requiring accuracy and attention to detail • Interest in working with weapons Through your training, you will develop the skills and experience to enjoy a civilian career as an electronic mechanic, an avionics technician, or a missile facilities repairer with firms that design, build, and test weapons for the military. Earn While You Lean Instead of paying to learn...
Apr 20, 2021
Soldiers rely on their weapons to reign supreme on the battlefield. Working with everything from handguns and shotguns, to sniper rifles and ballistic missiles, the Small Arms/Artillery Repairer’s main responsibility is to maintain the electronic systems that keep these weapons firing for the Army National Guard. Some of the Skills You’ll Learn • Electronic and mechanical principles and concepts • Understanding schematics, drawings, blueprints, and wiring diagrams • Operating electronic, electrical, and mechanical test equipment Helpful Skills • Preference for work requiring accuracy and attention to detail • Interest in working with weapons Through your training, you will develop the skills and experience to enjoy a civilian career as an electronic mechanic, an avionics technician, or a missile facilities repairer with firms that design, build, and test weapons for the military. Earn While You Lean Instead of paying to learn...
Illinois - Army National Guard
91L Construction Vehicle Repairer
Illinois - Army National Guard Sparta, IL 62286, USA
If you’ve ever considered a career in maintaining heavy machinery, join the Army National Guard as a Construction Vehicle Repairer and help pave the way for success. In this role, you will maintain trucks, bulldozers, power shovels, and other heavy equipment needed for construction operations. As a Construction Vehicle Repairer you will maintain and replace brake actuators, batteries, starter motors, alternators, mechanical fuel pumps, and hydraulic cylinders; adjust engine speed governor/valves, carburetors, dry-disc clutches, steering brakes, and fuel injector racks; charge suspension accumulators, transmission shift accumulators, and main hydraulic accumulators; troubleshoot problems in vehicle engines, electrical systems, steering, brakes, and suspensions; tune up and repair engines; replace or repair damaged body parts, hydraulic arms, shovels, and grader blades; and establish and follow maintenance schedules. Job Duties • Service drive shafts, universal...
Apr 20, 2021
If you’ve ever considered a career in maintaining heavy machinery, join the Army National Guard as a Construction Vehicle Repairer and help pave the way for success. In this role, you will maintain trucks, bulldozers, power shovels, and other heavy equipment needed for construction operations. As a Construction Vehicle Repairer you will maintain and replace brake actuators, batteries, starter motors, alternators, mechanical fuel pumps, and hydraulic cylinders; adjust engine speed governor/valves, carburetors, dry-disc clutches, steering brakes, and fuel injector racks; charge suspension accumulators, transmission shift accumulators, and main hydraulic accumulators; troubleshoot problems in vehicle engines, electrical systems, steering, brakes, and suspensions; tune up and repair engines; replace or repair damaged body parts, hydraulic arms, shovels, and grader blades; and establish and follow maintenance schedules. Job Duties • Service drive shafts, universal...
Tennessee - Army National Guard
13B Cannon Crewmember - Weapons Systems Technician
Tennessee - Army National Guard Sparta, TN 38583, USA
As a Cannon Crewmember in the Army National Guard, you join a team that ensures the U.S. maintains its battlefield superiority. You’ll deliver decisive blows to the enemy using howitzers and learn how to use high-tech cannon artillery weapons systems, plus artillery tactics and strategy. And as your skills increase, so will your responsibilities. Advanced Crewmembers supervise other crewmembers in the distribution of ammunition, as well as manage cannon operations, training, and maintenance. Job Duties • Conducting wire and radio communications • Identifying target locations • Setting, loading, and firing artillery • Using computers to generate fire direction data • Operating heavy and light wheeled trucks and tracked vehicles • Transporting and managing artillery ammunition • Maintaining operational readiness of vehicles and equipment • Participate in reconnaissance operations Helpful Skills • Physically and...
Apr 20, 2021
As a Cannon Crewmember in the Army National Guard, you join a team that ensures the U.S. maintains its battlefield superiority. You’ll deliver decisive blows to the enemy using howitzers and learn how to use high-tech cannon artillery weapons systems, plus artillery tactics and strategy. And as your skills increase, so will your responsibilities. Advanced Crewmembers supervise other crewmembers in the distribution of ammunition, as well as manage cannon operations, training, and maintenance. Job Duties • Conducting wire and radio communications • Identifying target locations • Setting, loading, and firing artillery • Using computers to generate fire direction data • Operating heavy and light wheeled trucks and tracked vehicles • Transporting and managing artillery ammunition • Maintaining operational readiness of vehicles and equipment • Participate in reconnaissance operations Helpful Skills • Physically and...
Tennessee - Army National Guard
13J Fire Control Specialist
Tennessee - Army National Guard Sparta, TN 38583, USA
JOINT Automated Systems are tools that help provide strategic coordination and situational awareness at the tactical levels of combat. As a Fire Control Specialist, your primary responsibility will be to integrate and process information from multiple users by utilizing the JOINT system and other automated systems used by the Army National Guard. Job Duties • Operate communications systems • Primary tactical data system operations • Database management • Fire mission processing Some of the Skills You’ll Learn • Computing target locations • Operating gun, missile, and rocket systems • Artillery tactics Helpful Skills • Interest in cannon and rocket operations • Physically and mentally fit to perform under pressure • Ability to multitask • Capable of working as a team member Through your training, you will develop the skills and experience to enjoy a civilian career in computer programming or...
Apr 20, 2021
JOINT Automated Systems are tools that help provide strategic coordination and situational awareness at the tactical levels of combat. As a Fire Control Specialist, your primary responsibility will be to integrate and process information from multiple users by utilizing the JOINT system and other automated systems used by the Army National Guard. Job Duties • Operate communications systems • Primary tactical data system operations • Database management • Fire mission processing Some of the Skills You’ll Learn • Computing target locations • Operating gun, missile, and rocket systems • Artillery tactics Helpful Skills • Interest in cannon and rocket operations • Physically and mentally fit to perform under pressure • Ability to multitask • Capable of working as a team member Through your training, you will develop the skills and experience to enjoy a civilian career in computer programming or...
Tennessee - Army National Guard
91H Track Vehicle Repairer
Tennessee - Army National Guard Sparta, TN 38583, USA
Be the one that helps the Army National Guard stay on track as a Track Vehicle Repairer. Your primary responsibility will be to perform maintenance on track vehicles, and supervise activities that include fuel and electrical system repair. In this role, you will expand your mechanical skillset, and work on motorized track vehicle components like carburetors, transmissions, diesel power plants/packs, and other electrical systems. Job Duties • Repair diesel power plants/packs, compression ignition engine fuel systems, and compression ignition air induction systems • Fix vehicle air cooling systems and vehicle liquid cooling systems, and track hull electrical systems and automatic transmission assemblies • Service track vehicle cross drive transmission assemblies, transfer assemblies, hydraulic brake Some of the Skills You’ll Learn • Engine repair and tune up or replacement • Body repair and body panel replacement Helpful Skills...
Apr 20, 2021
Be the one that helps the Army National Guard stay on track as a Track Vehicle Repairer. Your primary responsibility will be to perform maintenance on track vehicles, and supervise activities that include fuel and electrical system repair. In this role, you will expand your mechanical skillset, and work on motorized track vehicle components like carburetors, transmissions, diesel power plants/packs, and other electrical systems. Job Duties • Repair diesel power plants/packs, compression ignition engine fuel systems, and compression ignition air induction systems • Fix vehicle air cooling systems and vehicle liquid cooling systems, and track hull electrical systems and automatic transmission assemblies • Service track vehicle cross drive transmission assemblies, transfer assemblies, hydraulic brake Some of the Skills You’ll Learn • Engine repair and tune up or replacement • Body repair and body panel replacement Helpful Skills...
Tennessee - Army National Guard
91P Artillery Mechanic
Tennessee - Army National Guard Sparta, TN 38583, USA
The Army National Guard relies on Soldiers to test and maintain electrical systems for its ground weapons systems. As an Artillery Mechanic in the Army National Guard, you will supervise and perform maintenance on all self-propelled field artillery cannon weapon systems, including automotive, turret, fire control, and chemical protection subsystems. You will learn how to maintain these systems; troubleshoot and diagnose equipment malfunctions; and repair, test, and adjust damaged equipment. Job Duties • Maintain diesel power plants/packs, compression ignition engines and engine fuel systems, air induction systems, exhaust systems, cooling systems, engine starting and charging systems, and track hull electrical • Diagnose malfunctions, troubleshoot and perform other unit maintenance on carriage-mounted armament, associated fire control and related systems, and components on all self-propelled field artillery weapon systems Some of the Skills You’ll Learn...
Apr 20, 2021
The Army National Guard relies on Soldiers to test and maintain electrical systems for its ground weapons systems. As an Artillery Mechanic in the Army National Guard, you will supervise and perform maintenance on all self-propelled field artillery cannon weapon systems, including automotive, turret, fire control, and chemical protection subsystems. You will learn how to maintain these systems; troubleshoot and diagnose equipment malfunctions; and repair, test, and adjust damaged equipment. Job Duties • Maintain diesel power plants/packs, compression ignition engines and engine fuel systems, air induction systems, exhaust systems, cooling systems, engine starting and charging systems, and track hull electrical • Diagnose malfunctions, troubleshoot and perform other unit maintenance on carriage-mounted armament, associated fire control and related systems, and components on all self-propelled field artillery weapon systems Some of the Skills You’ll Learn...
Tennessee - Army National Guard
92G Food Service Specialist
Tennessee - Army National Guard Sparta, TN 38583, USA
It takes energy to keep the Army National Guard marching on, and that’s where you take the lead. As a Food Service Specialist for the Guard, it’s your duty to provide the sustenance your fellow Soldiers need to put their best foot forward and protect the nation. In this role, you will take care of all dietary and nutritional needs of fellow Soldiers, ensuring their ability to face the challenges before them. You'll learn how to plan and prep menus, how to prepare and serve food, and how to ensure food safety and facility sanitation, whether you're feeding 25 Soldiers or 2,500, in the field or in a fixed facility. Job Duties • Bake, fry, braise, boil, simmer, steam and sauté as prescribed by Army recipes • Operate, maintain and clean field kitchen equipment • Perform preventive maintenance on garrison and field kitchen equipment Some of the Skills You’ll Learn • Standard and dietetic menus and recipes • Food and supply...
Apr 20, 2021
It takes energy to keep the Army National Guard marching on, and that’s where you take the lead. As a Food Service Specialist for the Guard, it’s your duty to provide the sustenance your fellow Soldiers need to put their best foot forward and protect the nation. In this role, you will take care of all dietary and nutritional needs of fellow Soldiers, ensuring their ability to face the challenges before them. You'll learn how to plan and prep menus, how to prepare and serve food, and how to ensure food safety and facility sanitation, whether you're feeding 25 Soldiers or 2,500, in the field or in a fixed facility. Job Duties • Bake, fry, braise, boil, simmer, steam and sauté as prescribed by Army recipes • Operate, maintain and clean field kitchen equipment • Perform preventive maintenance on garrison and field kitchen equipment Some of the Skills You’ll Learn • Standard and dietetic menus and recipes • Food and supply...
Wisconsin - Army National Guard
91B Light-Wheel Vehicle Mechanic
Wisconsin - Army National Guard Sparta, WI 54656, USA
As a Light-Wheel Vehicle Mechanic for the Army National Guard you’ll ensure that anything that moves on wheels is ready to hit the road. In this role, you will primarily be responsible for supervising and performing maintenance and recovery operations on wheeled vehicles in the field and in the shop. Your duties will include inspecting, servicing, maintaining, repairing, testing, adjusting, and replacing of systems and components; performing recovery operations, and servicing electrical systems; including wiring harness and charging systems. Job Duties • Maintain wheeled vehicles associated trailers and material handling equipment systems • Service automotive electrical systems, including wiring harness, and starting and charging systems Helpful Skills • Interest in troubleshooting and repairing mechanical problems • Interest in automotive engines and how they work Through your training, you will develop the skills and experience to enjoy...
Apr 20, 2021
As a Light-Wheel Vehicle Mechanic for the Army National Guard you’ll ensure that anything that moves on wheels is ready to hit the road. In this role, you will primarily be responsible for supervising and performing maintenance and recovery operations on wheeled vehicles in the field and in the shop. Your duties will include inspecting, servicing, maintaining, repairing, testing, adjusting, and replacing of systems and components; performing recovery operations, and servicing electrical systems; including wiring harness and charging systems. Job Duties • Maintain wheeled vehicles associated trailers and material handling equipment systems • Service automotive electrical systems, including wiring harness, and starting and charging systems Helpful Skills • Interest in troubleshooting and repairing mechanical problems • Interest in automotive engines and how they work Through your training, you will develop the skills and experience to enjoy...
Wisconsin - Army National Guard
91S Stryker Systems Maintainer
Wisconsin - Army National Guard Sparta, WI 54656, USA
Stryker Vehicles are fast, highly-mobile combat vehicles used by the military to triumph on the battlefield. As a Stryker Systems Maintainer for the Army National Guard, you will be responsible for keeping the Stryker systems functioning to ensure the success of each and every mission. In this role, you will be supervising and performing maintenance on various Stryker systems and vehicles including: the M1128 Mobile gun system, the M1132 Engineer support vehicle, the M1133 Medical evacuation vehicle, and the M1135 NBC recon vehicle. Job Duties • Perform field and sustainment-level maintenance on various vehicle systems to include the suspension systems, steering systems, hydraulic systems, fire extinguisher/suppressor systems, and vehicle mounted armament • Supervises compliance with shop safety program and use, and maintenance and security of power tools • Diagnoses and troubleshoots malfunctions • Supervises and provides technical guidance to...
Apr 20, 2021
Stryker Vehicles are fast, highly-mobile combat vehicles used by the military to triumph on the battlefield. As a Stryker Systems Maintainer for the Army National Guard, you will be responsible for keeping the Stryker systems functioning to ensure the success of each and every mission. In this role, you will be supervising and performing maintenance on various Stryker systems and vehicles including: the M1128 Mobile gun system, the M1132 Engineer support vehicle, the M1133 Medical evacuation vehicle, and the M1135 NBC recon vehicle. Job Duties • Perform field and sustainment-level maintenance on various vehicle systems to include the suspension systems, steering systems, hydraulic systems, fire extinguisher/suppressor systems, and vehicle mounted armament • Supervises compliance with shop safety program and use, and maintenance and security of power tools • Diagnoses and troubleshoots malfunctions • Supervises and provides technical guidance to...
  • PRIVACY
  • ELIGIBILITY
  • CAREERS
  • BENEFITS
©2020 United States Army National Guard