Call of Duty: Modern Warfare will also feature deformable environments, where you can kick down and blow up doors, or take it to another next level with destructible walls, roads, buildings, and bridges. You'll also be able to block doors with heavy obstacles like vehicles or furniture and block windows from grenades with a little chicken wire. But you're not just limited to shooting what's within your (fire)arm's reach: you can call in and laser-sight air strikes to knock out those pesky enemy tanks and sniper's nests, too. Now that's what friends are for.