Armed drones have become a vital element of U.S. national security policy. This project documents ongoing drone strikes in Pakistan, Yemen and Somalia.
Capt. William Swenson was awarded the honor for his bravery during the Battle of Ganjgal, one of the deadliest battles in the Afghan war.
As the U.S. military withdraws from Afghanistan, the Pentagon is shifting its fleet of drones to other global hot spots.
Russia and the U.S. rank highest in the number of declared chemical weapons. See who else has declared chemical weapons under the Chemical Weapons Convention.
After Syria signed the treaty, it became the 190th country to join the international convention outlawing chemical weapons.