terrain-hugging air-breathing low-flying vehicles

nap-of-the-earth (NOE) (ground-hugging / terrain masking / flying under the radar / hedgehopping)

low flying aircraft / low-flying aircraft

low-flying, low-speed drone

all-terrain vehicles (ATVs)

accident-free flying / mishap-free flying

mishap-free flying / accident-free flying

terrain flying

anti-low-flying aircraft missile

authorized low flying

low flying

low flying operation

long-endurance unmanned air vehicles

air-breathing jet engine

fresh-air hose breathing apparatus

air breathing engine

compressorless air-breathing jet engine

ram air-breathing jet engine

air breathing defense

air breathing missile

air breathing target

low-RCS target / low-radar-cross-section target

armored vehicles

destruction of delivery vehicles

Family of Medium Tactical Vehicles (FMTV)

multipurpose vehicles

tactical vehicles

transport vehicles

Unmanned Underwater Vehicles (UUV)

vehicles per kilometer

maintenance vehicles

recognition of combat vehicles (ROC-V)

batch of pre-production vehicles