ground penetrating radar (GPR)

wing-in-ground-effect amphibious craft; ground-effect vehicle (GEV); wing-in-ground-effect (WIG); ground-effect craft; wingship; flarecraft; ekranoplan

radar cross-section / radar cross section (RCS); radar signature; radar crossover

Ground Observer 12 (GO 12 Ground Surveillance Radar, нім. Bodenüberwachungsradar)

high explosive penetrating

non-penetrating projectile

penetrating (prompt) nuclear radiation

penetrating power

penetrating head injury / open head injury

penetrating head wounds

earth penetrating weapon

non-penetrating weapon

penetrating weapon

armour-penetrating weapon

obscurant penetrating

armor penetrating capability

canister penetrating dosage

penetrating force

penetrating radiation

penetrating radiation dosage

TRML-4D radar (нім. Telefunken Radar Mobil Luftraumüberwachung / Telefunken mobile airspace surveilance radar)

battle-ground / battle ground / battleground

vantage ground / vantage-ground

ground-to-ground guided missile

ground-to-ground rocket

ground/air communications / ground-air communication

early warning ground-based radar (EW GBR)

ground radar installation

ground-based battlefield surveillance radar station

ground-control radar

over-the-horizon ground-based radar

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

SNAR ground artillery reconnaissance radar station (Russia)