Many commentators argue that the RQ-170 'Beast of Kandahar' drone is too advanced for Iran to reverse-engineer.
An Al Qaeda sympathizer was arrested who allegedly planned drone attacks in Washington. An expanding market and improved technology could make small drones more available to anti-US terrorists.
787 Dreamliner: The first one goes to Japan's All Nippon Airways, which has been printing the 787 logo and "We Fly 1st" on its business cards for years.
When NASA's Glory satellite failed to reach orbit, it was a blow to US climate research. It's also raising questions about President Obama's new direction for the human-spaceflight program.
F-35 jet: Hounded by controversy for much of the past two years, the F-35 has become the poster child for troubled, vastly over-budget military weapons programs.
Boeing 787 delivery may slip because of inspections and instrument changes on the flight test aircraft, the head of the program said Thursday.
Boeing's 787 Dreamliner is set to attempt its first flight Tuesday after years of delays. The company's first new jetliner in almost 15 years, the plane is made of lightweight composite materials and supposed to reduce fuel costs by 20 percent.