Federal spending records show a $4.4 billion NASA contract held by Northrop Grumman Systems Corporation for Ares I first-stage development — signed in 2007 for a Constellation program launch vehicle NASA cancelled in 2010 — received a recorded modification this week.

• NASA
• Northrop Grumman
• Constellation Program
• +3 more

Northrop Grumman Systems Corporation's NASA NextSTEP contract has obligated a cumulative $1.61 billion since 2015, USAspending.gov records show, funding Cygnus-derived exploration habitation concepts under an award that remains active through 2029.

• NASA
• Northrop Grumman
• NextSTEP
• +3 more