But since India and Russia are cooperating on the development of the next generation stealth jets, signifying greater mutual trust, Delhi can live with this temporary disadvantage.

WSJ: Review & Outlook: Asia's Great Rivalry

The Air Force reportedly tested a number of top secret military jets, including the Stealth fighter, at this facility.

CNN: The Internet: the final frontier for space watchers

Sightings by crews of six RAF Tornado jets of a UFO over Germany in 1990, believed to be a stealth aircraft.

BBC: MoD took UFO sighting seriously