You'll Never Guess Which Northrop Grumman Business Is Still Growing

Shares of Northrop Grumman (NYSE: NOC) are up a solid 6% since the defense giant reported its first-quarter earnings two months ago. With Q2 earnings peeking over the horizon (less than one month away), now might be a good time to take a look back and consider: Exactly how did Northrop Grumman beat earnings last quarter? More than that, sales in three of Northrop's four biggest business divisions -- mission, aeronautics, and defense systems -- all declined, by 4%, 10%, and 18%, respectively.