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 Rotary and Mission Systems Extended Air Defense System, and the Littoral Combat Ship. MST consists of the following five lines of businesses: MST has approximately 15,000 employees located at numerous sites around the United States and abroad (mostly Canada and Australia). Sites with more than 500 employees, in order of size, are: Lockheed Martin's Canada operations also fall under MST, and there are about 350 employees in Canada, mostly in the Ottawa suburb of Kanata. Lockheed Martin Rotary and Mission Systems Lockheed Martin Rotary and Mission Systems (LM RMS), formerly known as Mission Systems and Sensors (LM MS2) and then Mission Systems & Training