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 Space Systems in 1995 it became part of the newly named Lockheed Martin following the Martin Marietta merger with the Lockheed. Soon after the merger, Lockheed Martin announced that the New Jersey facility would be closed. The New Jersey facility completed work on the in-process projects over the next few years, transferring the majority of work to other Lockheed Martin facilities, including the heritage-Lockheed facility in Sunnyvale, California, and a newly built facility in Newtown, PA. The facility that began as RCA Astro Electronics closed for good in 1998. Lockheed Martin Space Systems is now headquartered in Denver, but still does considerable