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

Federal contracting records on USASpending.gov show a $10.5 billion NASA contract held by The Boeing Company for developmental hardware, test articles, and manufacture and assembly of Ares I upper stages under NASA's Constellation program, which developed the Ares I launch vehicle.

• NASA
• Boeing
• Ares I
• +4 more