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 was the product portfolio of Lockheed. This included the C-5, C-130, and C-141 transports as well as the F-2, F-16 (purchased from General Dynamics), F-117, F-22, and F-35 Lightning II. The most important project by far to Lockheed Martin Aeronautics is the F-35 Lightning II (JSF). Worth a potential $200bn the initial order book is approximately 3,000 excluding almost guaranteed export orders. The F-22 air dominance fighter, while smaller in terms of aircraft ordered, is still of great importance to Lockheed Martin (and partner Boeing). Lockheed Martin Aeronautics Lockheed Martin Aeronautics Company is a major unit of Lockheed Martin with