to ignite a smoke grenade to signal an aircraft

huge double-engine helicopter used for lifting and transporting heavy equipment

Armed Forced Vietnam Network radio station

an artillery unit equivalent to a company. Six105mm or 155mm howitzers or two 8-inch or 175mm self-propelled howitzers

enlisted man

to be in a state of mental disarray

the plane that took soldiers from Vietnam back to the World

Inspector General

the procedure for deciding the order in which to treat casualties

the last day of a soldier's Vietnam tour. Example for 6 days:  5 days and a wake-up.