The Type MA-1 jacket appeared in the 1950s, following in the footsteps of the Type B-15 series, and had been produced until 1978. The MA-1 was the most highly perfected of all the flight jackets developed during the same period and was also worn by the most pilots. Used for a total of about 30 years, the MA-1 has evolved along with the development of jet fighters. The revibegan with the 1st model spec MIL-J-8279 and continued through MIL-J-8279F, with a total of seven updates. This MIL-J-8279E type was the sixth model of the MA-1, characterized by the reversible construction, of which bright-colored lining makes it easier to be spotted by allies after pilots parachuted to the ground in an emergency escape. Therefore, the lining is colored in rescue orange to stand out even in deep forest cover. After the MA-1 became reversible, the label that had previously been attached around neck was moved to inside of the slash pocket.