 Prior to the operations in the Swat Valley, approximately 10 of the PAF's F-16s were fitted with high-resolution infra-red sensors for reconnaissance purposes, supplied by the United States, to provide the Pakistani military with detailed imagery of the area.Lockheed Martin had indicated back in May 2007 that it would be supplying Pakistan with 18 Sniper Advanced Targeting Pods (ATP) with deliveries starting in 2008.On 27 February 2019, Pakistan Air Force officials stated that they had shot down two Indian Air Force aircraft (one Mig-21 and one Su-30MKI) after they intruded into the Pakistani airspace.