speed recovery

supersonic speed (exceeds speed of sound / Mach 1)

variable-speed with speed control

instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)

Nr gauge (Nr = speed of rotation) / rotor speed sensor

Motor PWM speed separated from PID speed

Allied Joint Doctrine for Recovery of Personnel in a Hostile Environment (AJP-3.7)

anti-recovery device

armored recovery vehicle (ARV)

Evasion and Recovery (E&R)

Joint Personnel Recovery Center (JPRC)

key recovery

personnel recovery

power recovery turbine

recovery kit

recovery operations

recovery vehicle

tank recovery vehicle

UNDP Bureau for Crisis Prevention and Recovery (BCPR)

UNDP Thematic Trust Fund for Crisis Prevention and Recovery

heat shield recovery

recovery position

automatic elevation recovery system

battlefield recovery facilities

combat material recovery

unit recovery post

recovery stroke

air duct recovery

control recovery

damage-free recovery

heat recovery

oxygen recovery

power recovery