Poster appealing to the Gung Ho and fashionable ideals of a younger generation. The H.O.S. were the military wing of the extreme right wing H.S.P. (Croatian Party of Rights) Further into the war the HOS gained for itself a reputation as a brutal fighting force, committing atrocities upon some of the Bosnian villages it attacked. Until late 1992 they were still allies of the Bosnians, until Croatia turned against the Bosnians to carve out a piece of Bosnia for themselves. The Croatian government later turned against the leaders of H.O.S. and incorporated the military wing into the H.V.O.