acti - Adva
- ACTIAC
- ACTICE
- ACTIMED
- acting
- acting appointment
- acting armorer corporal
- acting assistant
- Acting Assistant Adjutant-General
- Acting Assistant Quartermaster-General
- acting chief petty officer
- acting lieutenant
- acting pilot officer
- Acting Secretary of the Navy
- acting sergeant
- acting sergeant major
- acting sub-lieutenant
- acting transportation officer
- action
- action cut-out
- action data automation weapons system
- action information display system
- action information system
- action information training center
- action item
- action item report
- action left
- action officer
- action post
- action register
- action speed, tactical
- action taken
- action technical order
- action tight
- action time
- action will be cancelled
- action-speed tactical trainer
- ACTISUD
- activ
- activation
- activation analysis
