The Mixed Armistice Commissions (MAC) consists of an equal number of members designated by each party to the armistice agreements between Israel and the Arab States. UN military observers on duty in the Operations Office at the Hashemite Kingdom of Jordan-Israel Mixed Armistice Commission Office. L-R: Major P.W. Ingebrigtsen (Norway); Major T.W.N. McGrath (Canada); Major O.M.H. Haxthausen (Denmark); and Major J.C. Clarke (Canada).