In 1999, the US Army reasoned that if children enjoyed shooting people in video games, perhaps they could be encouraged to later shoot people in real life too. Thus began America's Army, a series of tactical first-person shooters funded and released for free by the Army as a recruitment tool. But the series has seemingly petered out and now they're preparing to end support for the latest, America's Army: Proving Grounds. Official servers will shut down in May, though offline bits and privately owned servers will remain playable.