133.—Every person subject to military law who uses threatening or insulting language to, or behaves in an insubordinate manner towards, a superior officer is guilty of an offence against military law and shall, F116[where a charge under this section is disposed of summarily under section 177C, 178C or 179C, as the case may be, be liable to suffer any punishment awardable thereunder or,] on conviction by court-martial, be liable to suffer imprisonment F117[for any term not exceeding two years] or any less punishment awardable by a court-martial.