Investors are all in a lather over fears that government budget cuts will curtail defense spending, and crush Lockheed Martin (NYSE:LMT) stock -- among others. Fool contributor Rich Smith can't say for sure what fate will bring to other firms operating in this space, but he knows one thing: As the company experiments with finding revenue in everything from civilian airplanes to gas-filled dirigibles to green energy and water desalinization, Lockheed Martin stock will do just fine.

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Fool contributor Rich Smith has no position in any stocks mentioned. The Motley Fool owns shares of Lockheed Martin. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.