Air Force 1st Lts. Mary Vasta and Krystal Wilder speak on phones in a launch control center in the missile complex at F.E. Warren Air Force Base, Wyo., March 22, 2016, during an intercontinental ballistic missile training event. Vasta is a combat crew commander assigned to the 319th Missile Squadron; Wilder is a combat crew deputy. Air Force photo by Airman 1st Class Malcolm Mayfield