Pakistan has signed an agreement with Russia for the procurement of four Mi-35'Hind' attack helicopters. However, no information has been provided with regards to any further details or timeline for delivery of the helicopters. Pakistan has already been operating a fleet of Mi-17 transport helicopters since mid-90s delivered by the US. The Mi-35 helicopter is a modernized version of Mi-24 combat helicopter with new onboard equipment and avionics. The helicopter has a more powerful engine and a different tail rotor.