guidance unit

guidance control unit

battery coolant unit / battery-coolant unit (BCU)

gear reduction unit / gear-reduction unit

position and navigation unit / position navigation unit (PNU)

pinch (a unit) out of a large unit

active infrared (IR) guidance system

air electronic guidance information system (AEGIS)

astronavigational guidance

authoritative guidance

automated target detection, tracking, co-ordinate finding and interceptor guidance system

beam rider guidance

beam rider guidance system

combined guidance

command guidance system

constant-bearing guidance / homing / navigation

control and guidance system

defense fiscal guidance (DFG)

Directions & Guidance (D&G)

guidance

guidance and control system

guidance beam

guidance command

guidance computation

guidance equipment

guidance fin

guidance intelligence

guidance mechanism

guidance package

guidance radar

guidance reference system

guidance submarine

guidance system