vietnam jungle hats
U.S. Military Hat, Jungle (Boonie) Boonie hats were the most common headgear for Special Forces in Vietnam, as with this Long Range Recon Patrol (LRRP). Military Boonie Hat. The boonie hat was introduced to the U.S. military during the Vietnam War to supplement or replace the fatigue hats and baseball style caps in use since World War II. The boonie was liked by the troops in the field and scorned by spit and polish officers who thought it slovenly.