Valve Issue Delays SLS Core Stage 'Hot Fire'

By Irene Klotz Feb 23, 2021
NASA has delayed the planned Feb. 25 full-duration hot fire of the Space Launch System (SLS) core stage due to a faulty valve in the system that supplies liquid oxygen to one of the vehicle’s four Aerojet Rocketdyne RS-25 engines.
Space

NASA To Repeat SLS Hot Fire

By Irene Klotz Feb 01, 2021
NASA has decided to repeat the static test fire of the first Space Launch System (SLS) core stage following an abbreviated burn of the vehicle’s four Aerojet Rocketdyne RS-25 engines two weeks ago.
Space

SLS Core Stage Hot Fire Shuts Down Early

By Irene Klotz Jan 16, 2021
NASA did not immediately say why the hot fire was cut off about 67 sec. after ignition.
Space

Lockheed, Aerojet Agree To $5 Billion Acquisition Deal

By Steve Trimble Dec 21, 2020
The agreement on the all-cash transaction includes a $5 per share, pre-closing special dividends to Aerojet’s shareholders, reducing the post-dividend value of the deal to $4.6 billion.
Supply Chain

With OpFires, Lockheed A Six-Time Hypersonic Winner

By Steve Trimble Jan 15, 2020
Lockheed Martin has won a sixth prime contractor role in a U.S. hypersonic missile program.
Defense and Space