What I find interesting is how well the Marines have adapted to urban combat. Of course, there was a huge body of literature on the subject, but this is the first real campaign that shows urban theaters present no great shelter from a modern armed force.
Also interesting is the extent to which infantry is using technology:
For the first time in a major battle, guided artillery is being used quantity. In addition to the now familiar JDAMs, or GPS guided bombs, there are now GPS guided shells. Space based positioning satellites, laser range finding, robotics and networked computing are now as much a part of infantry combat as the boot heel.
Compare this with even the second Gulf War, when poor coordination between various branches of the armed forces (and especially the US and English troops) led to quite a few blue-on-blue c