21.   He said helicopters might be used to seek out rooftop fights.

22.   Helicopters were used to ferry the ballots to those areas Tuesday, he said.

23.   Helicopters have been used to dispatch several thousand regular troops and paramilitary soldiers from the frontier corps into the most remote areas over the last two days.

24.   In fact, the helicopter was not used and the brigade was not sent into action.

25.   In contrast, the high-tech helicopters were used in the Gulf War on the first night of Operation Desert Storm to destroy Iraqi air defenses.

26.   In the Santa Clarita Valley, rescue teams used a helicopter to carry two state workers to safety.

27.   Instead of using only helicopters, as in Afghanistan, the Marines in this exercise also used more traditional amphibious assault vehicles.

28.   It also appears that the government relied on crowded roads to send supplies, although recently helicopters have been used.

29.   It was unusual for Israel to use helicopters in response to an attack that caused no injuries.

30.   Like a fleet of airborne limousines, the helicopters are increasingly used by privileged Paulistanos to commute, attend meetings, even run errands and go to church.