NFL StarsStoreWthSS Okinawa BureauOKINAWA CITY, Japan — Five National Football League stars kept a crowd of nearly 300 persons enthralled at the Okinawa USO with gridiron anecdotes and some insight into the world of the pros.They were Rocky Rleier, running back for the Pittsburgh Steelers; Ray Mansfield, Steel-ers’ center; Carl Eller, defensive end for the Minnesota Vikings; Tom Mack, Los Angeles Rams guard, and Ahmad Rash-ad» wide receiver for the Buffalo Bills.Answering questions from the crowd, Mack — who was the Rams’ player representative — said he didn’t think there would be another players’ strike this year.“I think we’ll settle the problems,” he said.Bieier, who was wounded while serving with the Army in Vietnam, said the players “hope the World Football League makes it.”Veteran Eller said football to him is “a highly competitive sport in which you use all your physical and mental talents.“There’s also a comradeship in professional football which I don’t think you can find any-Big Hit FansAsked his opinion of sports-caster Howard Cosell, Mansfield asked, ‘‘Who’s Howard Cosell?”Mansfield also said about Cosell: “If his mouth was a flytrap and he was on Okinawa, you wouldn’t have any trouble with flies.”One fan asked Rashad how he thought the San Francisco 49ers would do in the 1975 season.“Terrible. Next question?” he answered.The players are slated to tour U.S. bases in Korea after leaving Okinawa Tuesday.where else,”Gensuikyo Threatens Road FenceSS Okinawa BureauNAHA, Japan — Gensuikyo (Congress Against Atomic and Hydrogen Bombs) officials said Saturday they will tear down a fence the Japan Defense Facil-i t i e s Administration Agency(DFAA) is building along Pre-fectural Highway 104 through the Central Training Area.