Free-to-play RTS Command & Conquer is starting its closed beta program this summer in advance of its 2013 release.

The game features dozens of generals (each with their own units, strategies, etc.) spread over the game's three factions. With that many generals, a closed beta sounds like a great idea to get all the balancing correct.

The E3 trailer below gives you a taste of a few of the leaders' personalities.

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