419
Having a " go-to-guy " at the Division , Brigade , and Battalion levels , who can supply the correct off-sets for bore-lighting the lasers , and who not only understands , but can teach how to zero the optics correctly is an invaluable commodity in the Combat Arms Arena .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None