державні випробування
absent without leave / absence without official leave (AWOL)
For Official Use Only (FOUO)
official document
official record
official Secrets Act
official travel
veteran intelligence official
intelligence officer under official cover
psychological testing
hardware redundancy testing
barrel-testing rod
block testing stand
hydraulic testing equipment
incremental proof testing
bench testing program
bond testing
fatigue testing machine
fault testing
friction testing
functional testing
high-stress testing
impact testing
in-service testing
loads testing
marginal testing
mechanical shock testing
static structure testing
structure testing machine
tensile fatigue testing
testing
tunnel free-flight model testing
vacuum testing