USAF G1 Linecrewman Ground Crew Jacket – The Major's Tailor,1950s USAF G1 Linecrewman Jacket by Tru-Craft One of the rarest and best pieces of militaria in my collection! I missed out on one of these in an XL a year ago,1950s USAF G1 Linecrewman Jacket by Tru-Craft One of the rarest and best pieces of militaria in my collection! I missed out on one of these in an XL a year ago,A real treasure that sold the other day. I love these crazy things. 1950's US Air Force G-1 “Linecrewman” Jacket. Given to USAF Ground crew for all of their various “Hi-Viz” needs,,Vtg 50s USAF Linecrewman G-1 Yellow & Black Nylon Jacket XL Crown Zippers NICE | #1815968525,