61.   Today, convinced that the shuttles are safer, NASA is revamping its star system.

62.   We had always been told that the shuttle was a real tricky critter.

63.   A little more than a month back, the U.N. air shuttle was fully operational.

64.   A rail shuttle is to run to the complex from Victoria Station, across the river.

65.   Buckingham declined to elaborate on the security measures that were taken or will be taken while the shuttle is on its seaside pad.

66.   But NASA scientists are confident the shuttles may be safe to fly again by the end of August.

67.   His last shuttle was in December.

68.   Later Friday, NASA said that Russian space officials agreed to put the Soyuz in a holding pattern if the shuttle was still at the space station on Monday.

69.   NASA tries to prove shuttle is still safe despite greater role of private industry.

70.   On Thursday, the master alarm blared and red lights flashed just before the shuttle was to lift off.