Lockheed Martin SR-72 have the same range, with entry into service by 2030. The SR-72 follows the US Air Force's hypersonic road map for developing a hypersonic strike weapon by 2020, and a penetrating ISR aircraft by 2030. At the time of the concept's unveiling, Lockheed Martin had engaged in talks with government officials, but has not secured funding for the demonstrator or engine. On 13 November 2013, Air Force Chief of Staff General Mark Welsh revealed that the service was interested in the SR-72's hypersonic capabilities, but had not spoken with Lockheed Martin about the aircraft. Its high speed appeals to the
Lockheed Martin Polecat 2006, the aircraft crashed due to an "irreversible unintentional failure in the flight termination ground equipment, which caused the aircraft's automatic fail-safe flight termination mode to activate." Lockheed Martin Polecat The Lockheed Martin Polecat (company designation P-175) was an unmanned aerial vehicle by Lockheed Martin. It was developed by the company's Advanced Development Programs division in Palmdale, California. "Polecat" is a colloquialism for a skunk, in an apparent reference to the popular "Skunk Works" nickname for the Lockheed Martin's Advanced Development Programs division. Designated P-175, the Polecat was funded internally by Lockheed Martin (as opposed to using United States Government