A Soldier assigned to the United Kingdom specialized infantry trains Nigerian forces on refined weapon-reloading techniques during Flintlock 20 near Thies, Senegal, Feb. 17, 2020. (U.S. photo by Sgt. Steven Lewis)
U.S. President Donald Trump delivers remarks at a meeting with then-Homeland Security Secretary John Kelly and cyber security experts at the White House on Jan. 31, 2017, in Washington.
The aircraft carrier USS Abraham Lincoln transits the Strait of Hormuz as an MH-60S Sea Hawk helicopter lifts off from the flight deck on Nov. 19, 2019.
A U.S. Army instructor demonstrates a weapon to Malian soldiers on April 12, 2018, during an anti-terrorism exercise at a military camp near Ouagadougo, Burkina Faso.
U.S. National Security Advisor Robert O'Brien walks onstage during the seventh summit between the United States and the Association of Southeast Asian Nations in Bangkok on Nov. 4, 2019.