active air defense in a sentence

Examples

1. The 317th was one of the premier squadrons of its day, being the only unit to have won the prestigious Hughes Achievement Trophy ( given for the best fighter unit with an active air defense mission ) three times during its operational service.
2. ANR also maintains the readiness to conduct a continuum of aerospace control missions, which include daily air sovereignty in peacetime, contingency and / or deterrence in time of tension, and active air defense against manned and unmanned air-breathing atmospheric vehicles in times of crisis.