§ 7315. Training

• (a) Graduation from a nautical school vessel approved under law and regulation may be substituted for the service requirements under section 7307 or 7314 of this title.
• (b) The satisfactory completion of other courses of instruction approved by the Secretary may be substituted for not more than one-third of the required service on deck at sea under sections 7307–7311 of this title.
• (c) The satisfactory completion of other courses of instruction approved by the Secretary may be substituted for not more than one-half of the required service at sea under section 7314 of this title .