(мор.) астронавігація, астронавтика
celestial and satellite navigation systems
celestial navigation system
position and navigation unit / position navigation unit (PNU)
celestial body
celestial coordinate system
celestial equator
celestial horizon
celestial meridian
celestial monitoring
celestial sphere
celestial time
aerial navigation
aid to navigation (ATON)
communication and navigation aids (COMNAV)
constant-bearing guidance / homing / navigation
Global Navigation Satellite System (GLONASS)
Global Navigation Satellite System (GNSS)
inertial navigation and attack system (INAS)
inertial navigation system (INS)
land navigation
maritime navigation
navigation
navigation aids (NAVAIDS)
navigation bridge
navigation department
navigation head
navigation radar
navigation rights
navigation satellite
NAVigation Satellites providing Time And Range (NAVSTAR)
navigation skills
navigation(al) equipment