Disobedience and insubordination.

Every person subject to naval law, who,--

1. (a) wilfully disobeys any lawful command of his superior officer; or
2. (b) in the presence of his superior officer, or otherwise shows or expresses his intention to disobey a lawful command given by such superior officer; or
3. (c) uses insubordinate, threatening or insulting language to his superior officer; or
4. (d) behaves with contempt to his superior officer; shall, if the offence is committed on active service or in a manner to show wilful defiance of authority, be punished with imprisonment for a term which may extend to ten years or such other punishment as is hereinafter mentioned and in other cases, be punished with imprisonment for a term which may extend to three years or such other punishment as is hereinafter mentioned.