Ordnance which is landing short of the intended target.

Jail inmate.

Time off which ends at midnight.

Marine Light Helicopter Squadron, the first H means helicopter; the M means Marine; the L means light.

Marine Expeditionary Brigade, identical to the MAB discussed above.

On base; with us.

The armed version of the UH-1 helicopter. The initial Marine AH-1s were Army G models modified only with Navy compatible radios, Marine green paint and a rotor brake for shipboard operations. Later Ma [..]

Amphibious tractor; landing craft.

Area of operations, similar in definition to TAOR discussed below.

Army of the Republic of Viet Nam.