незбурене повітря; спокійна атмосфера
accident-free flying / mishap-free flying
mishap-free flying / accident-free flying
free fall air drop
free air temperature probe
free-air temperature
contact-free war
contamination-free
fallout-free
free fall
free fire zone
free mine
free naval control of shipping
free net
free neutron
free rocket
free-fall bomb
nuclear-free zone
toxic free area
free-fire area
impact free
mine free
weapons free zone (WFZ)
anti-aircraft free-flight rocket
free flight
free flight rocket
free-flight aerial rocket
free-flight phase
free-flight projectile range
free-rolling flight
break free
free-flight tunnel
free-flight wind tunnel