War casualties

Secretary of State Mike Pompeo, left, walks from a helicopter with U.S. Ambassador to Afghanistan John Bass, Tuesday, June 25, 2019, as Pompeo returns to his plane after an unannounced visit to Kabul, Afghanistan. (AP Photo/Jacquelyn Martin, Pool)

This June 1, 2019 photo provided by History Flight shows graves of U.S. servicemen under the water table in Tarawa, Kiribati. A nonprofit organization that searches for the remains of U.S. servicemen lost in past conflicts has found what officials believe are the graves of more than 30 Marines and sailors killed in one of the bloodiest battles of World War II. (Eric Albertson/Defense POW/MIA Accounting Agency/History Flight via AP)

This June 1, 2019 photo provided by History Flight shows graves of U.S. servicemen under the water table in Tarawa, Kiribati. A nonprofit organization that searches for the remains of U.S. servicemen lost in past conflicts has found what officials believe are the graves of more than 30 Marines and sailors killed in one of the bloodiest battles of World War II. (Eric Albertson/Defense POW/MIA Accounting Agency/History Flight via AP)

FILE - In this file photo dated Saturday, Dec. 12, 2015, the sun sets behind smoke emitting from a coal powered power plant in the Bosnian town of Tuzla, 120 kms north of Sarajevo, Bosnia. In a report released Tuesday Junw 25, 2019, environment groups have called for urgent measures to combat air pollution in the central Bosnian town of Tuzla saying dust concentration far exceeds legal limits and causes premature deaths. (AP Photo/Amel Emric, FILE)

FILE - in this Tuesday, Feb. 13, 2018 file photo, an Iraqi army soldier stand guard near a U.S.- made Iraqi Air Force F-16 fighter jet at the Balad Air Base, Iraq. Militants fired early Saturday, June 15, 2019, three mortar shells on an air base just north of Baghdad where American trainers are present, causing a small fires but no casualties, the Iraqi military said. (AP Photo/Khalid Mohammed, File)

Canadian Prime Minister Justin Trudeau, left, French Prime Minister Edouard Philippe, center, and and U.S House Speaker Nancy Pelosi attend an international ceremony on Juno Beach in Courseulles-sur-Mer, Normandy, Thursday, June 6, 2019, as part of D-Day commemorations marking the 75th anniversary of the World War II Allied landings in Normandy. (Fred Tanneau, Pool via AP)

Britain's Queen Elizabeth meets veterans during commemorations for the 75th Anniversary of the D-Day landings at Southsea Common, Portsmouth, England, Wednesday, June 5, 2019. (Jeff J Mitchell/Pool Photo via AP)

In this image made from video, Sudanese forces escort civilian in Khartoum, Sudan on Monday, June 3, 2019. Sudanese security forces moved against a protest sit-in camp in the capital Monday, witnesses and protest organizers said. Machine gun fire and explosions were heard and smoke rose from the area. Protest organizers said at least two people were killed.(AP Photo via AP video)

Afghan people carry the remains of suicide attacker's vehicle in Kabul, Afghanistan, Friday, May 31, 2019. In a second suicide attack in as many days to rattle the Afghan capital, a car bomb targeting a U.S. convoy exploded early Friday morning in an eastern neighborhood, police said. (AP Photo/Rahmat Gul)