The holiday tree illuminates the roundabout near the King Street Gate at Langley Air Force Base, Va., Dec. 1, 2014. A tree-lighting ceremony included music, entertainment and a holiday social. (U.S. Air Force photo by Airman 1st Class Devin Scott Michaels/Released)

Austin Anhalt, son of U.S. Air Force Capt. Melissa Anhalt, 633rd Medical Operations Squadron emergency room nurse, asks Santa Clause for a toy after the holiday tree-lighting ceremony at Langley Air Force Base, Va., Dec. 1, 2014. Santa Clause visited the Langley Officer’s Club after the ceremony and asked children what they wanted this holiday season. (U.S. Air Force photo by Airman 1st Class Devin Scott Michaels/Released)

U.S. Air Force Col. John J. Allen Jr. holds 10-month-old Anna Elizabeth McDonald, daughter of Chaplain (Capt.) Michael McDonald, 1st Fighter Wing chaplain, after the holiday tree-lighting ceremony at Langley Air Force Base, Va., Dec. 1, 2014. After the ceremony, attendees were invited to the Langley Officer’s Club for free snacks and a holiday social with Santa Clause. (U.S. Air Force photo by Airman 1st Class Devin Scott Michaels/Released)