active flight time

zone standard time (zone time) (ZST)

time to climb / climb time

time-gain control / gain time control

Driven Ammunition, Reduced Time of flight (DART)

time of flight (TOF)

differential effect on time of flight

level flight time (LFT)

active camouflage

active combat area

active component

active component headquarters

active counterintelligence measures

active countermeasures

active deception measures

active decontamination

active defenses

active denial system

active infrared (IR) guidance system

active layered theatre (ballistic) missile defense (ALTBMD)

active material; fissile material

active military service

active missile defence

active public information policy

active radar homing (ARH)

active service/ duty

active track

advanced active homing technique

entry on active duty

semi-active homing guidance system

semi-active laser (homing) (SAL/H)

separate from active service / the service

strategic active stockpile