21. All further tests were conducted under ground , in accordance with the Partial Test Ban Treaty. 22. The robots reveal, however, that during their explanation they sealed all tubes to under ground . 23. A Cobra helicopter fired rockets and missles after it came under ground fire, he said. 24. Rumsfeld called for a new class of earth-penetrating weapon capable of destroying bunkers deep under ground . 25. He sat in a bunker-like tin shed, half under ground , and loaded the mechanical target thrower. 26. The mayor has proposed swapping the land under ground zero for the land under the airports. 27. Staging was under ground control, with the booster cut away from the missile body by explosives. 28. Trying to repoint outside below grade ( under ground ) would be much too much work. 29. The opening theme is " Listen to the Stereo ! ! " by Going Under Ground . 30. In the dry season it burrows under ground .