I think this has been discussed before.
The reasoning behind integrating BJJ and Grappling at the fundamental level in training is simple. It is easier and offers the opportunity for pessure testing via force on force exercises. It requires no special gear and it develops a fighting spirit. It also offers unit commanders the unique opportunity to have his soldiers compete without the significant risk of injury associated with other competitive combatives events.
The integration of BJJ into the Army Combatives program is modeled after Military Sambo. Both offer combatives training with an athletic, competitive component. The goal was to mirror the effectiveness of Sambo in that respect.
The result is that now we have wide spread exposure to combatives training and it is a part of regular training as opposed to the manual collecting dust on a shelf. The old book may have been more battlefield specific in technique, but was largely ignored due to it's difficulty in integration. Soldiers had no confidence in the material as they could not test it.
As far as the Army changing the material? The Army is not quick to change anything and the program is still in the early stages, phase 1 which includes grappling. Phase 2 I am told returns to the feet and includes many of the strikes seen in the old manual as well as a training methodology drawn from Muay Thai. Phase 3 incorporates weapons, both improvised and not.
Edited by Fletch1 (06/15/06 12:33 PM)