Retired U.S. Air Force Lt. Col. David Howell, U.S. Air Force Hospital Langley volunteer, and his wife, Barbara Howell, hospital volunteer, consult an information desk directory at Joint Base Langley-Eustis, Va., May 17, 2017. The Howells are part of a team of seven retired couples who volunteer for more than 300 hours each month at the hospital. (U.S. Air Force photo/Beverly Joyner)