Editing Tonopah Test Range (section)

===S-300PS SAM testing===
The TTR has also been the site of US testing of foreign-made surface-to-air missile systems. Satellite imagery confirms the US secretly acquiring the Russian made [[S-300 (missile)#Land-based S-300P .28SA-10.29|S-300PS surface-to-air missile system]] from an unknown supplier in order to test UAVs as well as other advanced aircraft based at nearby airbases. According to [[OSGEOINT]], these bases include Creech Air Force Base, the Yucca Lake UAV testing facility, and Nellis Air Force Base, operating the [[General Atomics MQ-9 Reaper|MQ-9 Reaper]], [[Lockheed Martin RQ-170 Sentinel|RQ-170]], and the [[Lockheed Martin F-35 Lightning II|F-35 Joint Strike Fighter]] in addition to other aircraft. The testing of aircraft is executed under the direction of the 53rd Wing Test and Evaluation Group based at Nellis.<ref>{{cite web | url = http://osgeoint.blogspot.com/2011/12/us-acquires-russian-s-300-sam-system-to.html|title = US Acquired Russian S-300PS SAM System to Test UAVs |publisher = Osgeoint.blogspot.com |date = 11 December 2011}}</ref>