You should come close to doubling your investment in a decade.I can't resist a Rocky movie -- whether our hero is battling Apollo Creed, Clubber Lang, or Victor Drago, there's nothing like cheering Rocky as he gets off the mat, steps forward, and wins it for Adrian or Mick.Right now, I feel like Lockheed Martin (LMT 1.05%) is the defense stock equivalent of The Italian Stallion. Lockheed had a rough second quarter, taking $1.6 billion in charges that pushed earnings way down. The stock is essentially flat s ...