підземний склад
nuclear underground burst
underground sap
underground counter-intelligence network
underground tank
underground
camouflet underground explosion (e.g. nuclear)
nuclear underground test
concealed pit
open burning and open detonation (OBOD) (= open-pit)
pit (logistics)
pit
pit detail
pit forces
pit-type emplacement
tank pit
recoil pit
antitank pit
crank pit
lubrication pit
weapon pit
obstacle pit
test pit
target pit
firing pit
firing pit crew
ammunition pit
concealed pit tank trap
concealed-pit tank trap
pit tank trap
punji pit
shallow weapon pit