The military has a wide range of vehicles and equipment, such as tanks, trucks, airplanes, helicopters, artillery, naval guns systems, infantry weapons, boilers and furnaces, generators, gas and diesel engines, medical laboratory equipment, and fuel systems, that are used for transporting or supporting military personnel and equipment during vital military operations. Mechanic and Repair Technicians are responsible for ensuring that equipment is always in good working order and ready to be used at a moment’s notice in support of any mission. Occupations in this career field focus on applying technical knowledge and skills in the adjustment, maintenance, part replacement, and repair of tools, equipment, and machines.