Capt. Geoffrey Hansen and his men were flying drones after the missiles launched. He was knocked off his feet by the blast. "We didn't know what was coming," he says. "We just knew something was coming so we figured as many eyes as we could get in the sky, we would do that and see if we could stop whatever it was before it came to the base — I didn't expect it to be a missile." Alexander Tahaov for NPR hide caption
A new U.S. brigade combat team arrives in front of a Bradley Fighting Vehicle at a base in Syria's Hasakah province. Jane Arraf/NPR hide caption
Authorities announced Thursday that a New York-based company and seven of its employees are being charged with fraud, money laundering and illegal importation of equipment manufactured in China. Patrick Semansky/AP hide caption
A U.S. military vehicle drives past an oil pump jack in the countryside of Syria's northeastern city of Qamishli. President Trump is leaving some U.S. troops in Syria, with the goal of controlling Syria's oil fields. But legal experts say exploiting the oil could amount to pillaging — a war crime. Delil Souleiman/AFP/Getty Images hide caption
U.S. Defense Secretary Mark Esper (front right), flanked by South Korean Defense Minister Jeong Kyeong-doo (center), arrives at the Defense Ministry in Seoul, South Korea, on Friday. Jeon Heon-kyun/AP hide caption
U.S. Marines preparing to build a military site in western Anbar, Iraq, in November 2017, as an outpost in the fight against the Islamic State group. Khalid Mohammed/AP hide caption
Swab tests at a military residence in Fort Benning, Ga., reveal the presence of lead. U.S. Army FOIA/Handout/Reuters hide caption
South Korean Foreign Minister Kang Kyung-wha (right) shakes hands with Timothy Betts, acting Deputy Assistant Secretary and Senior Advisor for Security Negotiations and Agreements in the U.S. Department of State (left) during their meeting on Feb. 10. Lee Jin-Man/Pool/Getty Images hide caption
In this Nov. 7, 2018, photo released by the U.S. Army, U.S. soldiers gather for a brief during a combined joint patrol rehearsal in Manbij, Syria. Spc. Zoe Garbarino/U.S. Army via AP hide caption
Defense Secretary Jim Mattis and China's Defense Minister Gen. Wei Fenghe stand as the national anthems are played before their meeting at the Pentagon on Friday. Pablo Martinez Monsivais/AP hide caption
The White House is proposing changes to the Military Lending Act that critics say would leave service members vulnerable when they buy cars. David McNew/Getty Images hide caption
UCLA researchers are using a radioactive tracer, which binds to abnormal proteins in the brain, to see if it is possible to diagnose chronic traumatic encephalopathy in living patients. Warmer colors in these PET scans indicate higher concentrations of the tracer. UCLA hide caption
The Um Jurius fire base is near Syria's border and Sinjar mountain, where minority Yazidis fled to escape an ISIS genocide in 2014. Jane Arraf/NPR hide caption
U.S. and South Korean soldiers sit inside an amphibious vehicle during an annual joint military landing exercise in Pohang, on South Korea's southeast coast, in March 2016. Ed Jones/AFP/Getty Images hide caption
U.S. Marine Drum and Bugle Corps and Color Guard march past the space shuttle Enterprise at the Steven F. Udvar-Hazy Center on April 19, 2012, in Chantilly, Va. NASA/Getty Images hide caption