Welcome to Edwards Air Force Base! Published Feb. 27, 2023 By Adam Bowles 412th Test Wing Public Affairs EDWARDS AIR FORCE BASE, Calif. -- The 412th Test Wing is the host wing for Edwards Air Force Base, Calif. -- the 2nd largest base in the Air Force. The wing oversees base day-to-day operations and provides support for over 10,000 military, federal civilian and contract personnel assigned to a 481 square mile installation. Visit our Welcome Information and Newcomers Guide for all of the information you need to have a successful career and experience here at Edwards Air Force Base!