“The boonie hat will allow the relief of excess body heat and protection for the neck and face from the intense summer sun.” The memo and Wilsbach’s denial was posted online by the Air Force ...

The necks of airmen at Nellis Air Force Base ... wide-brimmed sun hats worn by troops in particularly hot or tropical climates, such as the jungles of Vietnam, that call for more-breathable ...

Following this direction, on March 3, 1955, the Ministry of National Defence decided to establish the Airport Research Department, marking the formation of Vietnam's air force. Building on its proud ...