The Army has struggled to achieve fully-autonomous vehicles because of the inherent challenges on a modern battlefield not found on predictable roadways.
Astronaut James Lovell, who was commander of the 1970 Apollo 13 mission that managed to get back to Earth safely after an oxygen tank explosion, has died.
A suspected senior planner in the suicide bombing at the Kabul airport that killed 13 American troops will appear Wednesday in federal court in the U.S.