We've got an exclusive still from the new Terminator Salvation trailer, to be released today. Take a gander at those canons. Did you get your tickets? There's a new gun show in town.

Terminator Salvation will be in theaters May 21st. If you want to see another exclusive photo from Terminator 4, complete with Christian Bale modeling his hot leathers in front of computers, visit our sister site Gizmodo.