The military officials said Thursday that the security forces killed 3 Taliban militants during an airstrike conducted in Shindand district.
The Taliban group has not commented regarding the airstrike so far.
The security situation in Herat province has deteriorated during the recent months.
Taliban militants are active in some districts of the province and often conduct terrorist related activities.
Meanwhile, the Afghan forces routinely conduct counter-terrorism operations against the anti-government armed groups in this province.
The U.S. forces also conduct regular airstrikes in restive parts of the country to suppress Taliban and other anti-government militants.