War has been a part of civilization for as long as recorded history. The two major ongoing conflicts are a stark and sobering reminder of this, and as long as there is war, governments will want the latest technologies and equipment to be the most prepared for conflict.

The United States, the country with the largest defense budget by a country mile, outsources a lot of its military technology development to defense contractors. These companies generally have just one customer (the U.S. government) but see a steady and growing stream of product demand due to the increasing defense budgets of the U.S. military and its allies.

The largest and most innovative of these contractors is Lockheed Martin (NYSE: LMT). A predictable business generally leads to a steady and reliable stock price, so if you're getting sick of the volatility in growth stocks, Lockheed Martin might be just the stock you need for your portfolio. Here's why. 

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Source Fool.com