Iran has presented its first domestically designed defense fighter-bomber jet with limited stealth capabilities. Iranian President Mahmoud Ahmadinejad stressed that the plane was designed for defense purposes, and will not be used for aggression. Codenamed Qaher-313 (‘Conqueror’), the jet is an advanced single-seat single-engine military plane. It is reportedly capable of engaging targets... 

The F-22 is the world’s most sophisticated operational fighter plane, and one of the most expensive. But due to an unexplained and potentially deadly problem that causes oxygen to drain out of the cockpit, pilots are refusing to be assigned to it. Air Force General Mike Hostage admitted that a number of F-22 pilots are refusing to fly the stealth fighter until it is completely safe or have asked... 

In this March 28, 1999 file photo, Yugoslav army experts check the wreckage of a downed American F-117 aircraft, in the village of Budjanovci, 30 miles northwest of Belgrade. Chinese officials recently unveiled a new, high-tech stealth fighter that could pose a significant threat to American air superiority — and some of its technology, it turns out, may well have come from the U.S. itself. Balkan... 

Photographs on the internet appear to show China's stealth fighter. The US said at the weekend it would respond to the rapidly-increasing military capabilities of China by building up its own strength in the region. Robert Gates, the US defence secretary, was speaking as he arrived in Beijing on Sunday for four days of talks aimed at renewing ties between the US and Chinese armed forces. However...