chemical proving ground
хімічний полігон
хімічний полігон
joint long-range proving ground
chemical, biological, radiological, nuclear - unmanned ground sensor
Ground Observer 12 (GO 12 Ground Surveillance Radar, нім. Bodenüberwachungsradar)
vantage ground / vantage-ground
ground-to-ground guided missile
ground/air communications / ground-air communication