One more thing:
I just thought of "what happens when you throw the blade, and MISS?".
IMO thrown melee weapons which miss should be resting on the ground, where they can be picked up again.
This should apply to combat knife, kerrblade, monomolecular blade, plasma blade, and anything else if I've missed it.
I still haven't tested it,
but if it's of any interest to anyone, tell me so, and I'll post my findings on this thread.