180828-F-TG847-066
John Henderson, assistant secretary of the Air Force for Installations, Environment and Energy, speaks with Col. Chad Ellsworth, installation commander, left, Lt. Col. Ken Ferland, deputy commander, and others during a mission overview briefing at Hanscom Air Force Base, Mass., Aug. 28. During his visit, Henderson heard from base and Massachusetts Institute of Technology Lincoln Laboratory personnel about military construction projects on the installation and was briefed by the executive director of the Massachusetts Military Asset and Security Strategy Task Force. (U.S. Air Force photo by Todd Maki)