NASA officials ordered the removal of one of the massive rocket's RS-25 main engines after discovering a hydraulic leak on the engine's main oxidizer valve actuator, which controls the flow of ...

Using numbers from my copy of Perry’s Chemical Engineers’ Handbook, I wrote: “The Rocketdyne Space Shuttle Main Engine (SSME) operates at greater temperature extremes than any mechanical ...

All the equipment for the care and feeding of uprated Space Shuttle Main Engines (SSME), adapted for SLS by Aerojet Rocketdyne as the RS-25, is repackaged from the backend of Space Shuttle ...

After STS-7 (June 1983), engineers narrowed the booster ... on or in the orbiter (five), and on the tank (one). Space Shuttle Main Engines In 1995, the power head was narrowed from a three ...

The roar of rocket engines, the trembling earth beneath your feet, and a pillar of fire slicing through the sky—few human ...

SLS inherited 16 flight units of the former Space Shuttle Main Engines (SSME) from the Space Shuttle Program to power expendable Core Stages for the first four launches. NASA originally contracted ...

Engineers at Nasa's Stennis Space Center in Mississippi test one of the powerful engines that will form part of the SLS rocket. The giant Space Launch System (SLS) will send astronauts to the Moon ...

Engineers at Nasa's Stennis Space Center in Mississippi test one of the powerful engines that will form part of the SLS rocket. The giant Space Launch System (SLS) will send astronauts to the Moon ...