内容摘要：In what had long been celebrated every May 30 to honor America’s fallen soldiers, Memorial Day officially became a federal holiday in 1971, observed on the last Monday in May. The U.S. holiday is also considered the unofficial opening of the summer travel season, and Americans are expected to get away in record numbers over the long

In what had long been celebrated every May 30 to honor America’s fallen soldiers, Memorial Day officially became a federal holiday in 1971, observed on the last Monday in May. The U.S. holiday is also considered the unofficial opening of the summer travel season, and Americans are expected to get away in record numbers over the long

In this photo taken from video released by Russian Defense Ministry Press Service on Saturday, May 24, 2025, Russian servicemen leave a plane upon arrival to Chkalovsky airport, outside Moscow, Russia, after returning from captivity by a POWs exchange between Russia and Ukraine. (Russian Defense Ministry Press Service photo via AP)Injured Ukrainian soldiers ride on wheelchairs though human corridor with people holding photos of their missed relatives after returning from captivity during a POWs exchange between Russia and Ukraine, in Chernyhiv region, Ukraine, Saturday, May 24, 2025. (AP Photo/Evgeniy Maloletka)

Injured Ukrainian soldiers ride on wheelchairs though human corridor with people holding photos of their missed relatives after returning from captivity during a POWs exchange between Russia and Ukraine, in Chernyhiv region, Ukraine, Saturday, May 24, 2025. (AP Photo/Evgeniy Maloletka)People show photos of their missed relatives to Ukrainian soldiers during a POWs exchange between Russia and Ukraine, in Chernyhiv region, Ukraine, Saturday, May 24, 2025. (AP Photo/Evgeniy Maloletka)People show photos of their missed relatives to Ukrainian soldiers during a POWs exchange between Russia and Ukraine, in Chernyhiv region, Ukraine, Saturday, May 24, 2025. (AP Photo/Evgeniy Maloletka)

In this photo taken from video released by Russian Defense Ministry Press Service on Saturday, May 24, 2025, Russian servicemen board a bus upon arrival to Chkalovsky airport, outside Moscow, Russia, after returning from captivity by a POWs exchange between Russia and Ukraine. (Russian Defense Ministry Press Service photo via AP)In this photo taken from video released by Russian Defense Ministry Press Service on Saturday, May 24, 2025, Russian servicemen board a bus upon arrival to Chkalovsky airport, outside Moscow, Russia, after returning from captivity by a POWs exchange between Russia and Ukraine. (Russian Defense Ministry Press Service photo via AP)

Ukrainian soldiers walk though human corridor with people holding photos of their missed relatives after returning from captivity during a POWs exchange between Russia and Ukraine, in Chernyhiv region, Ukraine, Saturday, May 24, 2025. (AP Photo/Evgeniy Maloletka)

Ukrainian soldiers walk though human corridor with people holding photos of their missed relatives after returning from captivity during a POWs exchange between Russia and Ukraine, in Chernyhiv region, Ukraine, Saturday, May 24, 2025. (AP Photo/Evgeniy Maloletka)Yet four crew members’ remains are beginning to return to their hometowns after a remarkable investigation by family members and a recovery mission involving elite Navy divers who descended 200 feet (61 meters) in a pressurized bell to reach the sea floor.

An American flag is folded during the interment for World War II U.S. Army Air Forces Staff Sgt. Eugene Darrigan at the cemetery behind St. Mary’s church, Saturday, May 24, 2025, in Wappingers Falls, N.Y. Darrigan was buried in his hometown after his remains were recovered from a World War II bomber that crashed into the water off the coast of New Guinea on March 11, 1944. (AP Photo/Heather Khalifa)An American flag is folded during the interment for World War II U.S. Army Air Forces Staff Sgt. Eugene Darrigan at the cemetery behind St. Mary’s church, Saturday, May 24, 2025, in Wappingers Falls, N.Y. Darrigan was buried in his hometown after his remains were recovered from a World War II bomber that crashed into the water off the coast of New Guinea on March 11, 1944. (AP Photo/Heather Khalifa)

Jason Fetterolf of the U.S. Army Reserve stands during the interment for World War II U.S. Army Air Forces Staff Sgt. Eugene Darrigan inside the cemetery behind St. Mary’s church, Saturday, May 24, 2025, in Wappingers Falls, N.Y. Darrigan was buried in his hometown after his remains were recovered from the World War II bomber that crashed into the water off the coast of Papua New Guinea on March 11, 1944. (AP Photo/Heather Khalifa)Jason Fetterolf of the U.S. Army Reserve stands during the interment for World War II U.S. Army Air Forces Staff Sgt. Eugene Darrigan inside the cemetery behind St. Mary’s church, Saturday, May 24, 2025, in Wappingers Falls, N.Y. Darrigan was buried in his hometown after his remains were recovered from the World War II bomber that crashed into the water off the coast of Papua New Guinea on March 11, 1944. (AP Photo/Heather Khalifa)