An Army Black Hawk helicopter crashed on a Navy ship in Norfolk, Virginia during training, killing one service member and injuring eight.

The Fire Scout unmanned helicopter got its first job—hunting drug smugglers. MQ-8B became the first unmanned helo to deploy on a naval anti-narcotics mission when it left port in Florida recently aboard the USS McInerney.

The U.S. Air Force is the most capable, best trained and most expensively equipped in the world. But in the near future, every part of a USAF mission could be compromised by a foreign military using sophisticated gear or a guerrilla force employing clever strategies.

This week the Obama administration said that it will likely scale back plans to install ground-based missile defense interceptors in Europe. This could signal a technological shift—to the air. Could air-launched interceptors be the answer for missile defense?

To measure the effects of shock waves on humans, researchers are turning to vegetables. It turns out you can learn a lot from celery about brain damage caused by bombs. (Published in the September 2009 issue)