The early morning attack was launched in Miranshah and Boya village after militants hiding in the areas continued their uninterrupted fire against Pakistani forces.
"The airstrikes were launched against five terrorist hideouts to flush them out," military spokesman Major General Asim Bajwa said.
"Caves and huge cache of arms and ammunition were destroyed and scores of terrorists killed in early morning strikes, silencing the firers," Bajwa said.
He said most of the terrorists killed in the strikes were Uzbeks. Al-Qaeda affiliate Islamic Movement of Uzbekistan has had a large presence in the country's tribal belt since the US-led invasion of Afghanistan in 2001.
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Pakistan on June 15 launched the long-awaited operation named 'Zarb-i-Azb' against Tehrik-e-Taliban Pakistan in the region bordering Afghanistan. The militants, however, have continued to attack security forces and civilian targets.
The operation was launched following a deadly attack on Karachi international airport which killed 37 people, including the 10 attackers.
At least 386 militants and 20 soldiers have been killed in the massive offensive, which has displaced nearly 600,000 people forcing them to live in temporary shelters.