secure the air

safe and secure environment

secure a crossing

secure a gap

secure area

secure environment

secure the battle position

secure the objective

seize and secure (key terrain)

suppress, obscure, secure, reduce, and assault (SOSRA)

gun secure spring lanyard sling

automatic secure voice communication

secure mishap site

secure the operations

secure a hit

secure a line

secure firing data

secure oneself

secure to a pier

secure

secure communications

secure supporting fires

secure an infantry commission

aerial refueling / air refueling / in-flight refueling (IFR) / air-to-air refueling (AAR)

air combat capable helicopter / air-to-air capable helicopter

air support field pack, field pack air support, airborne / para (air support) / Pathfinder Bergen

advanced medium range air-to-air missile (AMRAAM)

air force air request net

Air Force tactical air direction net

air interdiction (AI), deep air support (DAS)

Air Mobility Command’s air assets

air operations syn. air warfare

air-to-air combat