A B1-B Lancer assigned to the 9th Expeditionary Bomb Squadron flies over the 73rd Guam Liberation Day parade July 21, 2017, in Hagåtña, Guam. The parade commemorated 73 years since U.S. armed forces liberated the island from Japanese occupation. During World War II, Japan seized Guam on December 10, 1941, and on July 21, 1944, the U.S. armed forces liberated the island. (U.S. Air Force photo by Airman 1st Class Christopher Quail)