US Air Force drops Lockheed hypersonic missile after failed tests

China's Hypersonic Missiles Spur Race for U.S. Billion-Dollar Worth of Contract - Bloomberg

U.S. successfully tests pair of Lockheed hypersonic missiles

After latest flight test failure, US Air Force hopes to keep first hypersonic missile on track for production

What are hypersonic military weapons, and is Russia ahead of the US in this new class of warfare? - Quora

The US Successfully Tests Hypersonic Missile Amid Concerns US is Behind Russia & China

Next-Generation Anti-Ship Missile Achieves Operational Capability with Super Hornets - USNI News

US Air Force's Hypersonic Missile Test Fails Again; Cruise Missile Launched From C-130 Aircraft 'Relieves Pain

Hypersonic Missiles Are Unstoppable. And They're Starting a New Global Arms Race. - The New York Times

Pentagon won't be buying hypersonic missile after failed test: report

ARRW hypersonic missile test failed, US Air Force admits

ARRW hypersonic missile test failed, US Air Force admits

Hypersonic missile failures cast doubt on US bid to catch up with China and Russia