Sorry, off topic, but whenever the tactical tomahawk question pops up I have to pose a rhetorical question:
It's you and a complete stranger, thrown into an arena for a gladiatorial fight to the death. In the middle of the ring are two weapons: a spear, and a tomahawk. Both of you start equidistant... what do you run and grab?
Now... why aren't there more tactical spears???
If you will be meeting in the middle to grab a weapon the spear will be much harder to use offensively but with enough training it could be very effective defensively.
I'm not trained, tomahawk and start swingin'.