China's second stealth fighter has made its first test flight, state media reported Thursday, in a boost to the country's air capabilities even though the plane is unlikely to be deployed for years.

An Israeli war on Iran "will eventually happen" but the Jewish state will be destroyed as a result, the head of Iran's elite Revolutionary Guards said on Saturday, according to reports.

US Defense Secretary Leon Panetta has ordered the Air Force to restrict flights of its most advanced fighter jet, the F-22, after some pilots complained of dizzy spells and blackouts, officials said Tuesday.

US Defense Secretary Leon Panetta has ordered the Air Force to restrict flights of its most advanced fighter jet, the F-22, after some pilots complained of dizzy spells and blackouts, officials said Tuesday.

Two F-22 pilots say they have stopped flying the US Air Force's most advanced fighter jet because of safety fears over the aircraft's oxygen system, according to a CBS television "60 Minutes" report.

TOKYO (Reuters) - Japan is likely to pick Lockheed Martin's <LMT.N> F-35 fighter jets to replace its ageing fleet of F-4 Phantom fighters, reaffirming strong security ties with the United States, Japanese media reported on Tuesday.

ABOARD THE USS WASP (Reuters) - The 16-ton fighter jet slowed to a stop off the warship's port beam, where it hovered like a floating rock as thousands of pounds of thrust from its engine and lift fan stirred up a cloud of mist from the Atlantic Ocean 100 feet below.

ABOARD THE USS WASP (Reuters) - The 16-ton fighter jet slowed to a stop off the warship's port beam, where it hovered like a floating rock as thousands of pounds of thrust from its engine and lift fan stirred up a cloud of mist from the Atlantic Ocean 100 feet below.

ABOARD THE USS WASP (Reuters) - The 16-ton fighter jet slowed to a stop off the warship's port beam, where it hovered like a floating rock as thousands of pounds of thrust from its engine and lift fan stirred up a cloud of mist from the Atlantic Ocean 100 feet below.

NEW YORK (Reuters) - U.S. stock index futures were higher on Tuesday, indicating a market rebound following four days of losses, although persistent concerns over Europe kept investors on edge.

(Reuters) - Stock index futures pointed to a mixed open on Wall Street on Tuesday following the previous session's sharp losses, with futures for the S&P 500 up 0.49 percent, Dow Jones futures up 0.21 percent and Nasdaq 100 futures down 0.17 percent at 0831 GMT.

The US Air Force has allowed dozens of F-22 fighter jets back in the air after commanders briefly grounded the planes at two bases amid safety concerns, officials said Tuesday.

The US Air Force has had to ground dozens of F-22 fighter jets for the second time this year after concerns a pilot suffered a lack of oxygen in the cockpit, officers said Monday.

Russia was due Tuesday to unveil its first stealth fighter to the public, lifting the curtain on a secret project designed to flood the market with cheaper versions of veteran US jets.

US computer security titan RSA Security is offering to replace the SecurID tokens used by millions of corporate workers to securely log on to their computers, The Wall Street Journal reported.

Lockheed Martin, one of the world's largest defense contractors, was on Sunday investigating the source of a major cyber-attack one week ago against its information network, the company said.

Top US defense contractor Lockheed Martin said late on Saturday that it had successfully warded off "a significant and tenacious" attack on its information systems network.

WASHINGTON/BEIJING (Reuters) - The Pentagon next week hosts the highest-level Chinese military visit to the United States since Beijing severed ties between the two armed forces in early 2010 in protest over a $6.3 billion U.S. arms deal with Taiwan.

WASHINGTON (Reuters) - The U.S. Air Force has stopped flying Lockheed Martin's F-22 Raptor fighter jets indefinitely due to concerns about faults in the system that supplies oxygen to pilots, the military said on Thursday.

BEIJING (Reuters) - China appears to have staged a second test-flight of a new stealth fighter jet, a state-owned newspaper said on Tuesday, which if true could be another step toward narrowing the military gap with the United States.