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 Sea Ghost Lockheed Martin Sea Ghost The Lockheed Martin Sea Ghost was a proposal to fulfill the United States Navy's requirement for a Unmanned Carrier-Launched Airborne Surveillance and Strike aircraft. On 14 August 2013, Lockheed Martin was awarded a $15 million contract to develop the airframe of their UCLASS entry. Contracts of the same amount were awarded to Boeing, General Atomics, and Northrop Grumman for their competing designs. In August 2018, Boeing was selected over Lockheed Martin and the other entrants. The Sea Ghost incorporated technologies from the F-35C Lightning II and RQ-170 Sentinel UAV, both other Lockheed designs. It had a