U.S. delays anti-missile laser test for third time

A high-profile test of a missile-destroying laser aboard a converted Boeing Co 747 aircraft has been postponed for a third time because of a technical glitch, the Pentagon's Missile Defense Agency said.

The agency cited an unspecified problem with a tracking camera's cooling system. Repairs could not be completed to fit the test window available at a range off the California coast on Tuesday night, it said.

The goal is to shoot down a mock ballistic missile more than 100 miles away, twice the range demonstrated in a maiden test on February 11, using the airborne chemical oxygen iodine laser.

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