Religious lay leaders perform an important role as volunteers in the command religious program (CRP). The purpose of Navy Tactics, Techniques, and Procedures (NTTP) 1-05.1M/Marine Corps Reference Publication (MCRP) 3-30D.1 is to provide the doctrinal support to the commander in appointing, training and equipping religious lay leaders. Unless otherwise stated, masculine nouns and pronouns do not refer exclusively to men.