A Vietnam Security Police Association member shows patches he earned during his military career to security forces Airmen during the association’s 25th anniversary held at Joint Base Andrews, Md., Oct. 10, 2019. The VSPA is an association of U.S. Air Force veterans who served in Vietnam or Thailand between July 1958 and May 1975. (U.S. Air Force photo by Airman 1st Class Spencer Slocum)