(a) The provisions of this part govern the consideration of a claim by a registrant for classification in Class 1-A-0 (§1630.11 of this chapter), or Class 1-0 (§1630.17 of this chapter).

(b) The definitions of this paragraph shall apply in the interpretation of the provisions of this part:

(1) Crystallization of a Registrant's Beliefs. The registrant's becoming conscious of the fact that he is opposed to participation in war in any form.

(2) Noncombatant Service. Service in any unit of the Armed Forces which is unarmed at all times; any other military assignment not requiring the bearing of arms or the use of arms in combat or training in the use of arms.

(3) Noncombatant Training. Any training which is not concerned with the study, use, or handling of arms or other implements of warfare designed to destroy human life.