Photo G0664: SP/4 Charles Patrick’s Vietnam “Shor-Timers Calendar,” posted on the barracks wall in A Company, Long Binh Post, 1967.If you have a photo or an original Short-Timers calendar, please notify the History project Manager via this Email Link. Courtesy of SP/4 Charles R. Patrick, A Company, 720th MP Battalion,89th MP Group, 18th MP Brigade, October 1966 to October 1967.