Members of the 576th Flight Test Squadron monitor an operational test launch of an unarmed Minuteman III missile March 27, 2015 at Vandenberg Air Force Base, California. The missile, from the 341st Missile Wing at Malmstrom AFB, Montana was the second test launch of a Minuteman III in less than a week. The 576th Flight Test Squadron and 90th Missile Wing, F.E. Warren AFB, Wyoming, completed the first unarmed Minuteman III launch from Vandenberg AFB, March 23. The ICBM test launch program demonstrates the operational credibility of the Minuteman III and ensures the United States’ ability to maintain a strong, credible nuclear deterrent as a key element of U.S. national security and the security of U.S. allies and partners. (U.S. Air Force photo by Michael Peterson)