SpaceX’s First Military Contracts: One-Hour Cargo Deliveries By Rocket and Missile-Tracking Satellites

“The Pentagon is contracting Elon Musk’s SpaceX to develop rockets that can deliver packages anywhere on the planet in under an hour,” reports Vice: One of the things that makes the U.S. military a dominant global fighting force is its ability to move troops, weapons, and supplies quickly to where they’re needed. C-17 transport planes soar across the globe delivering troops…

Trump, Unveiling Space Force Flag, Touts What He Calls New ‘Super-Duper Missile’

The Space Force, the newest military branch, now has an official flag. President Trump unveiled the flag at an Oval Office ceremony Friday where he also signed the 2020 Armed Forces Day Proclamation. NPR reports: The flag design comes from the seal of the Space Force, which was approved by the president in January. It sparked some Star Trek fan outrage…

Image: Hypersonic surfing simulation

Simulating the test flight of a hypersonic glider, being developed through the international HEXAFLY-INT collaboration, involving partners across Europe, Russia, Australia and Brazil and supported by the European Commission and ESA. Source: https://phys.org/news/2020-04-image-hypersonic-surfing-simulation.html…

Russia Claims New Missile is 27 Times Faster Than Sound

“A new intercontinental weapon that can fly 27 times the speed of sound became operational Friday, Russia’s defense minister reported to President Vladimir Putin,” according to the Associated Press: Putin has described the Avangard hypersonic glide vehicle as a technological breakthrough comparable to the 1957 Soviet launch of the first satellite. The new Russian weapon and a similar system being developed…

Air-breathing engine precooler achieves record-breaking Mach 5 performance

UK company Reaction Engines has tested its innovative precooler at airflow temperature conditions equivalent to Mach 5, or five times the speed of sound. This achievement marks a significant milestone in its ESA-supported development of the air-breathing SABRE engine, paving the way for a revolution in space access and hypersonic flight. Source: https://phys.org/news/2019-10-air-breathing-precooler-record-breaking-mach.html…