uneven ground
нерівний ґрунт
нерівний ґрунт
wobble (uneven, side-to-side rocking motion)
battle-ground / battle ground / battleground
Ground Observer 12 (GO 12 Ground Surveillance Radar, нім. Bodenüberwachungsradar)
ground-to-ground guided missile
ground/air communications / ground-air communication
air defense ground environment