So now they're providing specialized martial arts training for airplane use.

Aviation Week did an editorial about this a few months ago. Their recommendation, and I tend to agree with it (whatever that's worth), is to give the pilots some "disable maneuver" training. A fully loaded passenger jet is not an F-16... according to AvWeek it's actually quite possible to pull the wings off one if you do something stupid.

However, someone (NHTSA? FAA? can't remember) did some experiments and they found a simple zero-G push over followed by a 1.2 G pullout was enough to give anyone not tied down (i.e. badguys) a right good thumping as they bounce around the cabin. Once the plane levels out the marshalls and/or the flight attendants and/or all the passengers can go unscrew their heads before they can pick themselves up off the floor.

Sounds like a plan to me!