N.H. Rev. Stat. § 110-B:72
Any person who, without authority under the laws of the United States or this state, wears the uniform or a distinctive part thereof, or a uniform or a part thereof similar to the uniform of the national guard of this state, or of another state, or of the United States army, navy, marine corps, coast guard or air force, or any auxiliary thereof, shall be guilty of a misdemeanor. As used in this section the terms "uniform" or "part" or "distinctive part" of a uniform shall not include such articles of wearing apparel as shoes, socks, shirts, ties, scarves, trousers, overalls, raincoats, field jackets and headgear, from which the service buttons, insignia, or other distinctive marking have been removed.
RSA 110-B:72
1981, 434:1, eff. Aug. 22, 1981.