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
Colorado Springs, Colorado of the city's largest employers coming from the sector. A large segment of this industry is dedicated to the development and operation of various projects for missile defense. With its close ties to defense, the aerospace industry has also influenced the Colorado Springs economy. Although some defense corporations have left or downsized city campuses, a slight growth has been recorded. Significant defense corporations in the city include Northrop Grumman, Boeing, General Dynamics, Harris Corporation, SAIC, ITT, L-3 Communications, Lockheed Martin . The Space Foundation is based in Colorado Springs. A large percentage of Colorado Springs' economy is based on manufacturing