During World War II ... radar relied on a semiconductor crystal, or "rectifier." Radar worked by sending out a radio wave and analyzing the reflected wave after it bounced off any objects in the air.

For a cool $5 million, you too could dream of owning a facility once used by the United States Department of Defense and the ...

The radar is a major modernization element for the Army’s Integrated Air and Missile Defense system, along with a fully modernized — and already fielded — command-and-control capability ...

Doppler weather radar enabled meteorologists to spot rotating winds within a thunderstorm, which is a strong precursor to the ...

Known as WASP, these women earned their wings by taking to the skies for non-combat military missions in World War II.

The Consolidated B-24 Liberator was arguably the most celebrated heavy bomber of World War II. Renowned for long ranges, heavy payloads, and high cruise speeds, the B-24 gave Allied air forces a ...

A listing in the April 18 edition of the Federal Register said the Air Force would prepare environmental impact statements for possible construction of new Homeland Defense Over-The-Horizon Radar ...