Infrared sensor developed by Northrop Grumman for the Next-Gen OPIR Polar satellite, designed to provide missile detection and tracking capabilities over the Arctic. Credit: Northrop Grumman

WASHINGTON — Northrop Grumman said it has taken delivery of a missile-warning sensor for a U.S. Space Force satellite program that the Pentagon is now proposing to cancel, highlighting the tension between legacy space acquisitions and a shift toward newer architectures.

To continue reading this article:

Register now to read
3 free articles this month.

You’ll also receive our weekly Editor’s Choice, SpaceNews This Week and Opinions newsletters. Opt-out at any time.

Sign in to an existing account

Get unlimited access to SpaceNews.com, the SpaceNews app and our digital monthly magazine for less than $5 per week.

$280

On a campus or library network? Check for access.

Cancel anytime. Sales tax may apply. No refunds. Terms and conditions apply.

See all subscription options

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...