In recent days, French fighter jets and helicopter gunships have conducted about a dozen sorties a day.
Nigerian war planes and helicopter gunships also attacked several militant training camps in the north-east on Friday, officials said.
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Nor has Syria's army yet unleashed its full array of firepower, which could include helicopter gunships and jet bombers.
Under the protection of soldiers and helicopter gunships, refugees started coming back Monday.
Blackhawks have been used by Colombians in the past, not only as troop carriers, but also as helicopter gunships.
The kind of air support you want in a fight like that is helicopter gunships or the old "warthog, " the A-10.
The military used heavy weapons and helicopter gunships to repulse the attack.
Syrian troops fired from helicopter gunships on south-western neighbourhoods on Friday morning, the Syrian Observatory for Human Rights told the AFP news agency.
In the run-up to the ceasefire, Macedonian helicopter gunships fired rockets at positions occupied by the guerrillas after rebel shells hit the town of Tetovo.
This month, the United Nations confirmed the use of helicopter gunships against opposition targets, but so far there haven't been reports of war planes used.
The numerous caves offer shelter from sand storms and helicopter gunships.
The British forces were supported by Marine Corps Cobra helicopter gunships.
Over the last month, the authorities have turned up the heat on traffickers, closing frontier crossings and sending in troops and helicopter gunships to battle smugglers.
Israeli and Egyptian authorities coordinated to allow the helicopter gunships and heavy machinery into the demilitarized zone in accord with the Camp David agreement signed in 1979.
U.S. military officials, while conceding the American mistakes, emphasized that the Pakistanis should have known from the fighter jets and gunships that they were not firing on insurgents.
American gunships worked to clear the enemy from the hills.
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But the Afghans are still heavily dependent on international air support to ferry the wounded to hospitals and for gunships to defend troops who are isolated and under attack.
Two Apache helicopter gunships roar through the valley, bank hard and circle back over the village, providing more cover for the Afghan and U.S. Special Forces now leapfrogging from one building to another.
Amid a partial news blackout in Egypt, initial reports claimed that ground troops, backed by helicopter gunships, had killed at least a score of the jihadists, though locals were sceptical of the claim.
Cohen said the decision Sunday to send U.S. helicopter gunships and short-range missiles to the region is an escalation of the existing allied air campaign, not a move toward putting troops into the field.
For example, a just-completed investigation by the Senate Armed Services Committee questioned General Powell's judgment in agreeing to deny AC-130 gunships to the units sent to Somalia in a vain effort to capture Mohammed Aideed.
The addition to the coalition's armoury this week of American A-10 Thunderbolts and AC-130 gunships, lumbering aircraft equipped with fearsome cannon that can hit targets in built-up areas with less risk than fast jets of killing civilians, could tilt the balance in Misrata and elsewhere.
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