forward line of own troops (FLOT)

Kosbies / KOSBs (King's Own Scottish Borderers)

paint a target on one`s own back

King's Own Hussars

Queen's Own Cameron Highlanders

under one's own steam

without its (own) means of initiation

BYOB (bring your own bottle / booze / beer)

bring your own liquor (BYOL)

forward observer (FO), forward observation officer; (artillery) observer / spotter

deployment line; line of deployment (LD); line of departure

pull troops out of the line

draw (troops) out of the line

throw (troops) into the line

forward front-line deployment

forward defensive line

line of the forward positions

observer-target line (OT line)

scheme trail line (tag line)

airborne troops

armored troops

barrier troops / blocking detachments (units) / anti-retreat forces

border (security) forces /troops

civil defense troops

coastal troops

concentration of troops

covering troops

crack troops

division troops

engineer troops (engr tps)

extraction of troops

government communications troops

ground forces air defense troops