Everyone's favorite defense conglomerate, Lockheed Martin (LMT -0.19%), is at it again. After it spent $10 billion on share buybacks over the past five years, its managers have announced yet another share repurchase program. This time, though, they're upping the ante and initiating the right to buy back a whopping $3 billion worth of shares at their discretion. True, past buybacks have turned out quite well in light of the company's share-price performance in recent years. But can this possibly be the best use of shareholder capital, with Lockheed's shares at all-time highs? View the slideshow to find out!

Is Lockheed Martin's Latest Share Buyback Program a Good Deal for Shareholders? from The Motley Fool