Graduation Day Service members hold flags during the graduation ceremony for students in the Submarine Officer Basic Course in the U.S. Naval Submarine School at the USS Nautilus and Submarine Museum, Groton, Conn., April 18, 2024. The graduation marks the first U.S. Naval Submarine School graduation for Royal Australian Navy officers as part of AUKUS and their last leg of nuclear submarine training before heading out into the U.S. Naval Submarine Force. SHARE: Download: Full Size (1.59 MB) Credit: John Narewski, Navy VIRIN: 240418-N-UM744-1011C.JPG Photo Gallery