PHOTO GALLERY: Biden Pays Respects to U.S. Troops Killed in Afghanistan

This combination of photos released by the 1st Marine Division, Camp Pendleton/U.S. Department of Defense shows twelve service members killed in the Kabul airport bombing in Afghanistan on Aug. 26, 2021. Top Row, from left: Lance Cpl. Dylan R. Merola, 20, of Rancho Cucamonga, Calif., Cpl. Hunter Lopez, 22, of Indio, Calif., Cpl. Kareem M. Nikoui, 20, of Norco, Calif., Staff Sgt. Darin T. Hoover, 31, of Salt Lake City, Utah, Cpl. Daegan W. Page, 23, of Omaha, Nebraska, and Sgt. Johanny Rosario Pichardo, 25, of Lawrence, Massachusetts. Bottom Row, from left: Cpl. Humberto A. Sanchez, 22, of Logansport, Indiana, Lance Cpl. David L. Espinoza, 20, of Rio Bravo, Texas, Lance Cpl. Jared M. Schmitz, 20, of St. Charles, Missouri, Lance Cpl. Rylee J. McCollum, 20, of Jackson, Wyo., Navy Corpsman, Maxton W. Soviak, 22, of Berlin Heights, Ohio and Army Staff Sgt. Ryan C. Knauss, 23, of Corryton, Tennessee. Not pictured is Sgt. Nicole L. Gee, 23, of Roseville, Calif., was also killed. (1st Marine Division, Camp Pendleton/U.S. Department of Defense via AP)

A Navy carry team moves a transfer case containing the remains of Navy Corpsman Maxton W. Soviak, 22, of Berlin Heights, Ohio, Sunday, Aug. 29, 2021, during a casualty return at Dover Air Force Base, Del. According to the Department of Defense, Soviak died in an attack at Afghanistan's Kabul airport, along with 12 other U.S. service members supporting Operation Freedom's Sentinel. (AP Photo/Manuel Balce Ceneta)

President Joe Biden watches as a Navy carry team moves a transfer case containing the remains of Navy Corpsman Maxton W. Soviak, 22, of Berlin Heights, Ohio, Sunday, Aug. 29, 2021, at Dover Air Force Base, Del. According to the Department of Defense, Soviak died in an attack at Afghanistan's Kabul airport, along with 12 other U.S. service members supporting Operation Freedom's Sentinel. From left, President Joe Biden, first lady Jill Biden, Secretary of Defense Lloyd Austin, and Joint Chiefs Chairman Gen. Mark Milley. (AP Photo/Manuel Balce Ceneta)

President Joe Biden returns a salute as he and first lady Jill Biden arrive at Dover Air Force Base, Del., Sunday, Aug. 29, 2021. Biden embarked on a solemn journey Sunday to honor and mourn the 13 U.S. troops killed in the suicide attack near the Kabul airport as their remains return to U.S. soil from Afghanistan. (AP Photo/Manuel Balce Ceneta)

President Joe Biden bows his head as first lady Jill Biden, right, and Secretary of State Antony Blinken, left, watch during a casualty return at Dover Air Force Base, Del., Sunday, Aug. 29, 2021, for the 13 service members killed in the suicide bombing in Kabul, Afghanistan, on Aug. 26. (AP Photo/Carolyn Kaster)