lay smoke

Trails, Lay, Aimpoint established, Boresight verified, Safe [verification of lay], Prefire checks performed, Ammunition Prepared

lay a smoke screen

smoke grenade (smoke canister)

lay

lay a bridge

lay a cable

lay a gun

lay a mine / mine field

lay an aim

lay an ambush

lay down arms

lay eggs

lay flat

lay reference number

lay siege to

lay tracks

defensive layout / lay-out

lay an аim

lay down in an order

lay on reconnaissance

lay сables

lay down а concentration

lay down

lay down fire

minefield report of intention to lay

lay on an attack

lay down weapons

lay siege (to)

lay still and play dead

lay an ambuscade

lay on a show

lay booby traps