FORM 10-K

Company

NORTHROP GRUMMAN CORP /DE/

Filed

February 9, 2010

Period of Report

December 31, 2009

Accession Number

0000950123-10-010126

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →