Any person subject to air-force law who spreads (whether orally, in writing, by signal, or otherwise) reports relating to operations of Her Majesty’s forces, of any forces co-operating therewith, or of any part of any of those forces, being reports likely to create despondency or unnecessary alarm, shall, on conviction by court-martial, be liable to imprisonment for a term not exceeding two years or any less punishment provided by this Act.