radio navigation systems

precision inertial navigation systems (PINS)

celestial and satellite navigation systems

navigation systems

Special Committee on Future Air Navigation Systems

position and navigation unit / position navigation unit (PNU)

maintenance of avionics and radio systems

navigation radio equipment

aeronautical radio navigation service

aircraft radio navigation equipment

radio long-range navigation system

radio navigation equipment

radio short-range navigation system

short range radio navigation system

radio navigation

radio navigation guidance

radio navigation station

single-channel ground and airborne radio system (SINCGARS) radio

radio pouch, PRR pouch / personal role radio pouch

radio rucksack, radio carrier rucksack

radio-radar; radio/radar

advanced conventional weapons systems

advanced explosive ordnance disposal robotic systems AEODRS

aerospace systems

Air Force Systems Command

antitank weapon systems

arms & weapons systems (AWS)

CBR-capable delivery systems

combat systems

command, control and information systems (CCIS)

command, control, communications, computers, cyber-defense, combat systems (C6)

communication and information systems (CIS)

communications and control systems maintenance