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 Aeronautics Lockheed Martin Aeronautics Lockheed Martin Aeronautics Company is a major unit of Lockheed Martin with headquarters at Air Force Plant 4 in Fort Worth, Texas. Lockheed Martin Aeronautics is based in Marietta, Georgia and Palmdale, California. Palmdale is home to the Advanced Development Programs (ADP), informally known as the "Skunk Works". Various subassemblies are produced at locations in Florida, Mississippi, Pennsylvania, and West Virginia. The company draws upon the history of the former Lockheed and Martin Marietta corporations. While the formation of Lockheed Martin in 1995 was a merger of equals, by far the greatest contribution to Lockheed Martin Aeronautics