(a) An officer in the Chaplain Corps may conduct public worship according to the manner and forms of the church of which he is a member.
(b) The commanders of vessels and naval activities to which chaplains are attached shall cause divine service to be performed on Sunday, whenever the weather and other circumstances allow it to be done; and it is earnestly recommended to all officers, seamen, and others in the naval service diligently to attend at every performance of the worship of Almighty God.
(c) All persons in the Navy and in the Marine Corps are enjoined to behave themselves in a reverent and becoming manner during divine service.
Structure US Code
Subtitle C— Navy and Marine Corps
§ 8212. Additional regulations for Marine Corps
§ 8213. Enlisted grades and ratings: authority to establish
§ 8214. Enlisted members: authority for transfer between Marine Corps and Hospital Corps of the Navy
§ 8215. Citizenship of officers of vessels
§ 8216. Aviation duties: number of personnel assigned
§ 8217. Aviation training facilities
§ 8218. Aviation designations: naval flight officer
§ 8219. Medical Department: composition
§ 8220. Dental services: responsibilities of senior dental officer
§ 8221. Chaplains: divine services
§ 8222. Indebtedness to Marine Corps Exchanges: payment from appropriated funds in certain cases