Department of Interior officials allegedly engaged in sexual relationships with workers at energy companies they were overseeing and took improper gifts.

WEST PALM BEACH: Pratt & Whitney Rocketdyne, a United Technologies Corp. company, is a step closer to flight testing the world's first hypersonic hydrocarbon-fueled and -cooled scramjet engine. The X-51A Scramjet Engine Demonstrator-WaveRider (SED-WR) successfully demonstrated key flight clearance objectives

U.S. Air Force analyses show the F-35 Lightning II is at least 400 percent more effective in air-to-air combat capability than the best fighters currently available in the international market.The Air Force's standard air-to-air engagement analysis model, also used by

Thales Suisse has unveiled a bi-sensor reconnaissance sub-system on the tactical vehicle EAGLE IV by General Dynamics / Mowag. The recce sub-system includes a tactical radar as well as an optical camera on a 10 meter mast. This sub-system will