Chief Petty Officer Timothy Willis, a crewmember at the Coast Guard National Capital Region Air Defense Facility, shows an MH-65 Dolphin helicopter to Vietnam veterans from the Coast Guard Cutter Owasco (WHEC-39), a 255-foot high endurance cutter, during a tour of Coast Guard Air Station Washington, Nov. 5, 2021. The veterans were given an air station tour and were presented with official lapel pins commemorating their service and for the 50th anniversary of the Vietnam War. (U.S. Coast Guard photo by Petty Officer 1st Class Tara Molle-Carr/Released)