1st Lt. Kyle Swenson, 459th Operations Group pilot, gives a tour of a KC-135R Stratotanker to a group of University of Massachusetts Reserve Officer's Training Program cadets at Joint Base Andrews, Maryland, March 21, 2017. The cadets had the opportunity to learn about the unit, its mission and the structure, function and capabilities of the KC-135. (U.S. Air Force photo/Tech. Sgt. Kat Justen)