Coalition service members assigned to the Combined Air Operations Center at Al Udeid Air Base, Qatar, participate in an ANZAC Day dawn service commemorating the service of Australian and New Zealand service members past, present and future, April 25, 2019. ANZAC Day is celebrated annually on April 25 as it marks the anniversary of the first major military action fought by Australia and New Zealand forces during World War I. (U.S. Air Force photo by Staff Sgt. Soo C. Kim)