Caitlin Tentler, left, age 3, and Isaiah Kim, age 1, grand opening indoor playground attendees, share the slide at the new indoor playground on Joint Base Andrews, Md., Jan. 22, 2018. The playground has a small tree house, a two level gymnasium, a slide and a section for children under the age of one to play. (U.S. Air Force photo by Airman Michael S. Murphy)