parallel track pattern

track skirt (track shield)

track while scan / track-while-scan (TWS)

parallel barrage

parallel pursuit

spiral parallel groove

creeping parallel barrage

immovable parallel barrage

parallel sweep search

dependent parallel approach

independent parallel approach

plane-parallel flow

parallel

parallel approach

parallel rule(r)

get the guns parallel on their zero line

parallel fire

parallel lines of fire

parallel screw

parallel sheaf

parallel staff

parallel training

parallel trench

defense spending pattern

disruptive pattern material (DPM)/(амер. BDU)

helix-shaped pattern

minefield pattern

pattern blanket bombing

pattern damage function

pattern density function

pattern of withdrawal

scanning pattern

standard pattern