GULF OF MEXICO (Sept. 17, 2021) The future U.S. Navy guided-missile destroyer USS Frank E. Petersen Jr. (DDG 121) conducts Bravo trials in the Gulf of Mexico, Sept. 17, 2021. The ship is named in honor of Marine Corps Lt. Gen. Frank E. Petersen Jr., the first African American Marine Corps aviator and the first African American Marine Corps officer promoted to brigadier general. (U.S. Navy photo courtesy of HII)