I have watched this trailer a couple of times now, and for the life of me I cannot get a clear sense of what the story line is. Something happens in the world, a spec ops team has to run a mission (more than one?). Bottom line, is this looks like a great action film, to lose yourself in for a while.
The fact that you have some SEALs actually doing the SEAL work is big bonus points.
Oh, and HALO jumps and underwater insertions are AWESOME!