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
Nicholas Chabraja 1993 to 1994, and a Vice Chairman from 1996 to 1997. In 1997 he was appointed a Chief Executive Officer of General Dynamics, a position which he held for twelve years, stepping down from his office in June 30, 2009. This makes Nicholas Chabraja the longest-serving Chief Executive Officer of the top five defense contractors, the others being Lockheed Martin, Northrop Grumman, Boeing, and Raytheon. Under his management General Dynamics grew rapidly, mainly through acquisitions: from $4 billion in sales and 29,000 employees, to $29.3 billion in sales and 92,900 employees in 2008. In 2008, Nicholas D. Chabraja earned a