The strikes in the Rajgal area of the Khyber Agency also destroyed four militant hideouts and an ammunition dump, it said.
"Seventeen terrorists including some foreigners were killed in the aerial strikes in the remote area of Rajgal," a brief military statement said.
The strikes were part of a major offensive aimed at clearing Taliban and al Qaeda strongholds that began last year in North Waziristan, one of seven Pakistani tribal districts bordering Afghanistan.
Forcing the issue: Airstrikes kill 31 terrorists in NWA, Khyber Agency
The military began the offensive in Khyber in October 2014, carrying out air strikes and using artillery, mortars and ground troops.
The army then intensified and expanded its offensive after the Taliban massacred more than 150 people, the majority of them children, at a school in Peshawar last December.
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