Gen. William L. Shelton, commander, Air Force Space Command, Peterson Air Force Base, Colo., center, testifies before the U.S. Senate Committee on Armed Services' Subcommittee on Strategic Forces March 12, 2014, in Washington. Shelton testified on military space programs in review of the defense authorization request for fiscal year 2015 and the future year's defense program. Four other witnesses testified: Douglas L. Loverro, deputy assistant secretary of defense for space policy; Dr. John A. Zangardi, deputy assistant secretary of the Navy for command, control, communications, computers, intelligence, information operations and space; Lt. Gen. David L. Mann, commander, U.S. Army Space and Missile Defense Command/Army Forces Strategic Command and Joint Functional Command for Integrated Missile Defense; and Cristina T. Chaplain, director, acquisition and source management, Government Accountability Office. (U.S. Air Force photo/Scott M. Ash)