The US Air Force (USAF) Future Hypersonics office in late August/early September exercised follow-on contract options with Boeing, Lockheed Martin, and Raytheon Technologies to mature a conventionally armed solid-rocket boosted, air-breathing, hypersonic air-launched cruise missile prototype to Preliminary Design Review stage for the Southern Cross Integrated Flight Research Experiment (SCIFiRE) project.

The US Air Force (USAF) Future Hypersonics office in late August/early September exercised follow-on contract options with Boeing, Lockheed Martin, and Raytheon Technologies to mature a conventionally armed solid-rocket boosted, air-breathing, hypersonic air-launched cruise missile prototype to Preliminary Design Review stage for the Southern Cross Integrated Flight Research Experiment (SCIFiRE) project.

The US Air Force (USAF) Future Hypersonics office in late August/early September exercised follow-on contract options with Boeing, Lockheed Martin, and Raytheon Technologies to mature a conventionally armed solid-rocket boosted, air-breathing, hypersonic air-launched cruise missile prototype to Preliminary Design Review stage for the Southern Cross Integrated Flight Research Experiment (SCIFiRE) project.

The US Air Force (USAF) Future Hypersonics office in late August/early September exercised follow-on contract options with Boeing, Lockheed Martin, and Raytheon Technologies to mature a conventionally armed solid-rocket boosted, air-breathing, hypersonic air-launched cruise missile prototype to Preliminary Design Review stage for the Southern Cross Integrated Flight Research Experiment (SCIFiRE) project.

The US Air Force (USAF) Future Hypersonics office in late August/early September exercised follow-on contract options with Boeing, Lockheed Martin, and Raytheon Technologies to mature a conventionally armed solid-rocket boosted, air-breathing, hypersonic air-launched cruise missile prototype to Preliminary Design Review stage for the Southern Cross Integrated Flight Research Experiment (SCIFiRE) project.

The US Air Force (USAF) Future Hypersonics office in late August/early September exercised follow-on contract options with Boeing, Lockheed Martin, and Raytheon Technologies to mature a conventionally armed solid-rocket boosted, air-breathing, hypersonic air-launched cruise missile prototype to Preliminary Design Review stage for the Southern Cross Integrated Flight Research Experiment (SCIFiRE) project.