0801. Applicability The provisions of this chapter apply to officers in charge (including petty officers when so detailed) and those persons standing the command  duty. 0818. Publishing and Posting Orders and Regu- lations 1. In accordance with Article 137 of the Uniform Code of Military Justice, the articles specifically enumerated therein shall be carefully explained to each enlisted person: a. At the time of entrance on active duty or within six days thereafter, b. Again, after completion of six months active duty; and c. Again, upon the occasion of each  reenlistment. 2. A text of the articles specifically enumerated in Article 137 of the Uniform Code of Military Justice shall be posted in a conspicuous place or places, readily ac- cessible to all personnel of the command. 3.  Instructions  concerning  the Uniform Code of Military Justice and appropriate articles of Navy  Regulations shall be included in the training and educa- tional program of the command. 4. Such general orders, orders from higher authority, and other matters which the commanding officer considers of in- terest to the personnel or profitable for them to know shall be published to the command as soon as practicable. Such matters shall also be posted, in whole or in part, in a conspicuous place or places readily accessible to personnel of the command. 5. Upon the request of any person on active duty in the armed services, the following publications shall be made available for that person’s personal examination: a. A complete text of the Uniform Code of Military Justice, b. Manual for Courts-Martial, c. Navy Regulations, d. Manual of the Judge Advocate General, e. Marine Corps Manual  (for Marine Corps personnel), f. Naval Military Personnel Manual (for Navy personnel) or Marine Corps Per- sonnel Manual (for Marine Corps person- nel). THE SENIOR OFFICER PRESENT Chapter 9 covers the 0900 article series. The chapter deals with the duties of both the senior officer present afloat and ashore. It defines eligibility for command at sea, authority and responsibility, and authority within separate commands within the command. It discusses relations with diplomatic and consular representatives and international treaties and laws. It outlines the actions of U.S. naval forces within a vicinity of other armed forces. The remainder of the chapter deals with the relationships of the senior officer present with foreigners; readiness and safety of forces; and general policies such as shore patrol, leave and liberty, assistance to ships, aircraft and persons in distress, and admiralty claims. PRECEDENCE, AUTHORITY AND COMMAND Chapter 10 contains the 1000 article series. This chapter is divided into four sections. Section 1 describes the precedence of officers and defines officers as line officers, staff officers, and warrant officers. Section 2 explains the authority of officers in the Navy. Section 3 describes the detailing of officers and enlisted persons. Section 4 contains the regulations pertaining to succession of command. 1020. Exercise of Authority All persons in the naval service on active duty, those on the retired list with pay, and transferred members of the Fleet Reserve and the Fleet Marine Corps Reserve are at all times subject to naval authority. While on active duty they may exercise authority over  all  persons  who  are  subordinate  to them. However, they may not exercise that authority if on leave of absence, except as noted in this article; on the sick list; taken into custody; under arrest; suspended from duty; in confinement; or otherwise incapable of discharging their duties. 2-10