31.   After the failed ground assault, the Russians changed tactics, attacking from a distance with heavy artillery, warplanes and missiles.

32.   American bombers pounded the hills and caves of Tora Bora on Sunday, trying to soften al-Qaida defenses for a major ground assault by Afghan tribesmen.

33.   American bombers pounded the hills and caves of Tora Bora on Sunday, trying to soften al-Qaida defenses for a ground assault by Afghan tribesmen.

34.   Anti-government forces followed two days of air raids on northwest Bosnia with sharp ground assaults Sunday, and U.N. officials considered asking for NATO airstrikes against them.

35.   Both units have special training for missions such as urban combat, counterterrorism and quick-strike ground assaults.

36.   Burmese pressure on Kawmoora has included intensive shelling since Monday night and a series of ground assaults on Wednesday.

37.   But the capture of the road west of Grozny appeared to signal a long-expected ground assault on southern Chechnya.

38.   Defense Secretary Dick Cheney and Joint Chiefs Chairman Colin L. Powell met with military commanders in Saudi Arabia to evaluate a possible ground assault against Iraqi forces.

39.   He said many areas south and east of Grozny remained under his control and that his forces were prepared to repulse any Russian ground assault.

40.   He said many areas south and east of Grozny remained under his control, adding that his forces were prepared to repulse any Russian ground assault.