U.S. Special Operations Command is looking for a contractor to develop a 10-day course to train operators in building and flying first-person view drones.
Soon after planes were first used in war, there were specialists on the ground coordinating strikes. Space-based weapons could one day yield new observers.
The U.S. military is sending an aircraft carrier to the waters off South America, in the latest escalation and buildup of military forces in the region.