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 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 (LM MST), is a Lockheed Martin business segment, headquartered in Washington, DC. Until October 2008 MST was headquartered in Moorestown Township, New Jersey, a suburb of Philadelphia; Moorestown remains the largest site in the business unit and is where many of the unit's top executives have their offices. As of 2013, MST is one of Lockheed Martin's five operating units; prior to that it was a part of the now-defunct Electronic