H21

H21 or H-21 may refer to : * , a type of heath community in the British National Vegetation Classification * Highway H21 (Ukraine) * HMS H21, a Royal Navy H-class submarine * HMS Scimitar (H21), a Royal Navy S-class destroyer * Mata Hari (1876–1917), German spy code named H-21 * Piasecki H-21, an American helicopterThis disambiguation page lists articles associated with the same title formed as a letter-number combination. If an internal link led you here, you may wish to change the link to point directly to the intended article. rdf:langString