Col. Michael Styskal, the commanding officer of 3rd

Col. Michael Styskal, the commanding officer of 3rd Marine Regiment, is presented a ceremonial battle drum from a Naval Order of the United States representative during a Battle Colors Ceremony commemorating Bougainville Day, Marine Corps Base Hawaii, Nov. 1, 2017. Bougainville Day is the 75th Anniversary of the unit and 74th anniversary of the Battle of Bougainville. The battle happened on Nov. 1, 1943, when 3rd Marines landed at Empress Augusta Bay, Bougainville, to establish a beachhead, fending off thousands of Imperial Japanese soldiers. (U.S. Marine Corps photo by Cpl. Jesus Sepulveda Torres)