41.   His center once had the clout to order up underground nuclear explosions for seismic studies.

42.   In Washington, a Pentagon spokesman said Thursday that initial indications suggested an underground explosion, but that the Pentagon was unable to determine its exact nature.

43.   In Washington, the Pentagon had said Thursday that initial indications suggested an underground explosion, the exact nature of which had not been determined.

44.   Indian Prime Minister Atal Bihari Vajpayee said the five underground explosions were a step his country had to take to protect itself.

45.   India conducted three underground nuclear explosions Monday, and for the first time said clearly that it can build a nuclear weapon.

46.   India and Pakistan were hit with economic sanctions following their underground nuclear explosions conducted last May.

47.   India declared it was capable of building a nuclear weapon after it set off three underground nuclear explosions on Monday.

48.   Indian Prime Minister Atal Bihari Vajpayee said Wednesday that the five underground nuclear explosions set off this week were necessary for India to build a nuclear defense.

49.   In the aftermath of a Chinese underground explosion that calls nuclear-control efforts into question, President Clinton urged Beijing on Thursday to avoid further nuclear tests.

50.   In Washington, the Pentagon said Thursday that initial indications suggested an underground explosion, but that the Pentagon was unable to determine its exact nature.