^^^^This except I took my class first (They'll tell you not too) - No amount of training can hurt, and you can get lots of good information there from others who have or are applying for their LTC.
Some will say it shows how committed you are (I don't think so), but I do think you'll have a bit more confidence in the interview.
CRPA and NRA Life member
GLOCK Armorer, Remington 870 Armorer, Mossberg 5xx Armorer, 1911 Armorer, M16/AR15 Armorer, Tactical First Aid Primary Responder
NRA Range Safety Officer, Certified Pistol, Shotgun and Rifle Instructor