Northrop Grumman’s electric propulsion system achieves “first light” at the NASA Glenn Research Center. The new system will power the SpaceLogistics Mission Extension Pod designed to add up to six years of service life to a client satellite. Credit: SpaceLogistics

WASHINGTON — SpaceLogistics, a satellite-servicing firm owned by Northrop Grumman, last week successfully fired the electric propulsion system it is developing for the Mission Extension Pods it plans to launch in 2024.

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Sandra Erwin writes about military space programs, policy, technology and the industry that supports this sector. She has covered the military, the Pentagon, Congress and the defense industry for nearly two decades as editor of NDIA’s National Defense...