Defense Science Board visit
Retired Gen. Larry Welch, former Air Force Chief of Staff; Dr. Peter Nanos, Johns Hopkins University Applied Physics Laboratory; Dr. Robert Selden, Special Government Employee; Jim Gosler, CIA Clandestine Services; and David McDarby, Defense Threat Reduction Agency Nuclear Surety Branch chief, meet with Col. Christopher Coffelt, 90th Missile Wing commander; Col. Heraldo Brual, 341st Missile Wing commander; and Chief Master Sgt. Michael Garrou, 90th Missile Wing command chief, during the Defense Science Board visit to F. E. Warren Air Force Base, Wyo., Sept. 20. (U.S. Air Force photo by Matt Bilden)