HYPERSONICS BY 2023
https://asc.army.mil/web/news-alt-ond19-hypersonics-by-2023/

Defense Against Hypersonic Attack Is Becoming the Biggest Military Challenge Of The Trump Era
https://www.forbes.com/sites/lorenthompson/2019/07/30/defense-against-hypersonic-attack-is-becoming-the-biggest-military-challenge-of-the-trump-era/#f4b565062c00

Pentagon budget 2020: US Army plans land-based hypersonic missile development
https://www.janes.com/article/87330/pentagon-budget-2020-us-army-plans-land-based-hypersonic-missile-development

Hypersonic Weapons: Background and Issues for Congress
https://fas.org/sgp/crs/weapons/R45811.pdf

How the US Army is building a hypersonic weapons business
https://www.defensenews.com/digital-show-dailies/ausa/2019/10/14/how-the-us-army-is-building-a-hypersonic-weapons-business/

The future of hypersonic weapons: defending against super-fast missiles
https://www.airforce-technology.com/features/future-of-hypersonic-weapons/

How hypersonic weapons sparked a new arms race between Russia, China and the US
https://www.cnbc.com/2019/09/30/how-hypersonic-weapons-sparked-new-arms-race-between-russia-china-us.html

Hypersonic Missiles Are Unstoppable. And They’re Starting a New Global Arms Race
https://www.nytimes.com/2019/06/19/magazine/hypersonic-missiles.html

US Air Force flight tests hypersonic missile on B-52 bomber
https://www.defensenews.com/industry/techwatch/2019/06/13/us-air-force-flight-tests-hypersonic-missile-on-b-52-bomber/

Who will help track hypersonic threats from space?
https://www.c4isrnet.com/battlefield-tech/space/2019/10/31/who-will-help-track-hypersonic-threats-from-space/

Lockheed awards $81.5M contract for hypersonic missile motor
https://www.defensenews.com/industry/techwatch/2019/12/17/lockheed-awards-815m-contract-for-hypersonic-missile-motor/