U.S. Marine Corps Col. Matthew Brannen, Defense POW/MIA Accounting Agency (DPAA) deputy director for operations, talks about the importance of remembering and honoring the personnel who were lost during a Mi-17 helicopter crash in a remembrance ceremony at Joint Base Pearl Harbor-Hickam, Hawaii, April 7, 2023. The ceremony honored 16 U.S. and Vietnamese personnel who lost their lives in a helicopter crash while serving as an advance party for a joint field activity. The men died when their Mi-17 helicopter collided into the side of a cloud draped mountain in Quang Binh Province, Vietnam early on the morning of Apr. 7, 2001.(U.S. Air Force photo by Staff Sgt. David Owsianka)