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Using Shape Memory Alloys as an Intermediate for Materials With Dissimilar Coefficients of Thermal Expansion

  The Defense Systems Information Analysis Center received a technical inquiry on the topic of joining dissimilar materials.  Historically, the integration of high-temperature materials used for leading edges, control surfaces, heat shields, etc. with metallic…

Scramjet State-of-the-Art Technology

A DSIAC subject matter expert from the Johns Hopkins University Energetics Research Group performed open-source and Joint Army Navy NASA Air Force (JANNAF) repository searches. The U.S. Air Force (particularly, the Air Force Research Laboratory…

Technologies and Strategies to Protect Satellites From Cyber and Electronic Warfare

  The Defense Systems Information Analysis Center (DSIAC) was tasked with determining what is being done to mitigate the impact of electronic and cyberwarfare technologies on satellites, specifically communication and navigation systems.  DSIAC reached out…

Articles

NASA’s Next Laser Communications Demo Installed, Integrated on Spacecraft

On July 16, 2020, the Laser Communications Relay Demonstration (LCRD) payload was installed and integrated on the U.S. Department of Defense Space Test Program Satellite 6 (STPSat-6) in preparation for a 2021 launch. As an experimental payload,…

Simple, Fuel-Efficient Rocket Engine Could Enable Cheaper, Lighter Spacecraft

It takes a lot of fuel to launch something into space. Sending NASA’s Space Shuttle into orbit required more than 3.5 million pounds of fuel, which is about 15 times heavier than a blue whale. But a new type of engine — called a rotating detonation engine — promises to make rockets not only more

Aerojet Rocketdyne Delivers RL10 Engines That Will Help Send NASA Astronauts to Deep Space

Aerojet Rocketdyne recently delivered four RL10 upper stage engines to NASA’s Stennis Space Center that will help power NASA’s Space Launch System (SLS) rocket as it carries astronauts aboard the Orion spacecraft to deep space. These missions are part of NASA’s Artemis program, which will land the first woman and next man on the Moon,