Warren “Red” Upton, the last surviving veteran of the battleship USS Utah, died on Christmas Day.

Robert Fernandez, who died Wednesday at age 100 in Lodi, Calif., was among the hundreds of service members who survived the Pearl Harbor attack. His death leaves barely more than a dozen survivors of the attack still living.

Lucille “Cille” MacDonald, who this spring was awarded the Congressional Gold Medal for her “Rosie the Riveter” work as a ship welder during World War II, died last week in Hawaii. She was 98.

Charles Sehe, who served on the ship during Pearl Harbor, the D-Day invasion at Normandy, France, and the 1945 invasions of Iwo Jima and Okinawa, died Sunday at age 101.

Butler Martin made his mark as a barrier-breaking World War II Marine who trained under challenging conditions in the segregated South. He died Sept. 27 at age 101.

Masamitsu Yoshioka, who was widely acknowledged as the last remaining witness to the Pearl Harbor attack from the side of the Imperial Japanese forces, died last month at the age of 106. As a bombardier, he launched a torpedo during the attack that hit the battleship USS Utah where 58 men lost their lives. “I think of the people who died because of me,” he said.

Elmer Calvin Smith, who as an 18-year-old soldier stationed at an Army airfield survived the Japanese surprise attack on Hawaii in 1941, died Friday at age 101. Smith was among fewer than two dozen still-living veterans who survived the Dec. 7, 1941, attack on Oahu, although the exact number is unknown.

Retired Lt. Gen. Arthur Gregg, a trailblazing officer who became the Army’s first Black three-star general in 1977 and for whom the former Fort Lee in Virginia was renamed last year, died Thursday, according to the service. He was 96.

Retired Army Capt. Paul “Bud” Bucha, a Medal of Honor recipient, died Wednesday in West Haven, Conn. He was 80. He received the Medal of Honor in May 1970 for his actions during the Vietnam War.

William L. Calley Jr., a junior Army officer who became the only person convicted in connection with the My Lai Massacre of 1968, when U.S. soldiers slaughtered hundreds of unarmed South Vietnamese men, women and children in one of the darkest chapters in American military history, died April 28 at a hospice center in Gainesville, Fla. He was 80.