U.S. Army Master Sgt. Cassandra Alam, McDonald Army Health Center operations NCO, partners with Nathan Branch, age six, during the Family science, technology, engineering and mathematics Night event at Joint Base Langley-Eustis, Va., Feb. 9, 2017. During this activity, children and volunteers worked to solve problems and rescue gummy worms from a simulated drowning. (U.S. Air Force photo by Staff Sgt. Teresa J. Cleveland)