In 1996, to represent unity, Ethiopia put this 5-pointed star with mystical overtones on its flag
[DOC] [TLE] THE JOINT CHIEFS OF STAFF AND NATIONAL POLICY 19731976 [PAR] (History of the Joint Chiefs of Staff/Robert J. Watson; v.5) ... Its value for instruction 
purposes, for the orientation of officers ..... October 1974, General Weyand 
elected to follow other four-star officers who retired ... not from senior flag officers.