DAF Weapons Safety Division Re-writes Nuclear Safety Design Criteria
Loren “Tucker” Teigland, software surety engineer, Air Force Safety Center, takes questions during the re-write of the Department of the Air Force Manual 91-119, Safety Design Criteria for Nuclear Weapons Systems Software, at the Air Force Safety Center, Kirtland Air Force Base, N.M., June 4, 2025. The updated DAFMAN 91-119 is expected to be published later in 2025. (U.S. Air Force photo by Staff Sgt. Tyler Catanach)