You Get a Hellfire Missile, and You Get a Hellfire Missile! Everybody. Gets. A Hellfire Missile!

One single Hellfire missile can give ISIS a very bad day. So what will 5,567 Hellfires do? Photo: Wikimedia Commons.

As the war against ISIS drags on, America's military is gearing up to buy 5,567 Hellfire missilesfrom Lockheed Martin , to restock Air Force supplies. And they're not the only ones.

In a startling development, this month saw the U.S. Defense Security and Cooperation Agency notify Congress of three separate planned foreign arms sales of Hellfire missiles to U.S. allies around the globe -- all in the course of a single week. Specifically, the Pentagon seeks approval to sell 356 AGM-114K/R3 Hellfiremissiles to Egypt, worth $57 million, and more than 500 combat and training Hellfire missiles for South Korea, valued at $81 million. Meanwhile, Pakistan takes the prize, with authorization pending to buy 1,000 AGM-114 Hellfires.

Bundled with a shipment of 15 AH-1Z "Viper" attack helicopters from Textron , 32 T-700 GE 401C Enginesfrom General Electric , and other associated equipment from companies including Boeing , the Pakistan contract should be worth a whopping $952 million to the contractors involved -- bringing the total value of these three arms deals to $1.09 billion.

Textron Bell Viper attack helicopter. Source: USMC.

Missiles galoreWhy are all of these countries buying all of these missiles? The reasons vary.

According to DSCA, Egypt will use its Hellfire missiles "as a deterrent to regional threats and to strengthen its homeland defense." South Korea's goal is to "supplement its existing missile capability and current weapon inventory ... and deter regional threats." Meanwhile, the sale of missiles to Pakistan -- more than will be shipped to Egypt and South Korea combined -- will "provide Pakistan with military capabilities in support of its counterterrorism and counter-insurgency operations in South Asia" and, in particular, will "enhance [Pakistan's] ability to conduct operations in North Waziristan Agency, the Federally Administered Tribal Areas, and other remote and mountainous areas in all-weather, day-and-night environments."

In short, it's a dangerous world out there. Whether it's Egypt arming up for conflict with ISIS in Libya and Houthi insurgents in Yemen, South Korea worrying about its neighbors to the north, or Pakistan trying to pacify its troublesome Taliban-infested hinterlands, a lot of countries are interested in buying a lot of weapons to combat their individual threats.

What it means to investorsAnd as recent headlines tell us, these threats aren't going away anytime soon. Egypt in particular is caught between a proverbial rock-and-hard place, as Libya devolves into violence on the one hand, and an Arab coalition-of-the-willing forms to try to restore peace to Yemen. South Korea and Pakistan's problems have been going on even longer than that -- with no end in sight.

This is bad news for these countries. But it's good news for the companies that make the weapons -- and will continue making them so long as there's a need -- and for the investors who own their stock. What's more, it further illustrates the need for investors to keep track of which firms are doing the best job of winning market share in the Middle East, and also in Southeast Asia.

In this regard, Boeing (much of whose revenues come from civilian markets, which clouds the issue somewhat) saw a 7% increase in the proportion of its sales coming from outside U.S. borders last year. GE and Textron, in contrast, drew less of their revenues from international customers last year than they did in 2013.

The single company benefiting most from this month's arms-buying surge, however, has to be Lockheed Martin -- which incidentally grew the proportion of its revenues coming from outside U.S. borders by 16% last year. Sure, the dollar values for Lockheed are small -- probably less than $300 million across all three deals, or less than 1% of annual sales at the defense giant. Still, according to S&P Capital IQ data, Lockheed Martin makes more profit off sales from its Missiles and Fire Control division, which makes the Hellfire, than it does at any of its other four main business divisions -- a staggering 16.9% operating profit margin.

Dollar for dollar, therefore, these are exactly the kinds of sales investors should want to see Lockheed make. Simply put, they're a "Hell" of a good way for Lockheed Martin to make a profit.

Scratch one tank ... and order one more replacement Hellfire missile from Lockheed Martin. Photo: Wikimedia Commons.

The article You Get a Hellfire Missile, and You Get a Hellfire Missile! Everybody. Gets. A Hellfire Missile! originally appeared on Fool.com.

Fool contributorRich Smithdoes not own shares of, nor is he short, any company named above. You can find him on CAPS, publicly pontificating under the handleTMFDitty, where he's currently ranked No. 353 out of more than 75,000 rated members.The Motley Fool owns shares of General Electric Company and Textron, 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.