Space Project's Secrecy Produced Heated Debate; SECRECY OF SHOTS PRODUCED DEBATE
Defense Dept debate over maintaining secrecy and Times decision to reveal project after withholding pub voluntarily for over 6 mos discussed; Times knew of projects wks before it took place, decided to pub after scientists at Calif U Radiation Lab reptdly voted 17-5 in favor of pub and some key Pentagon aides backed ltd publicity; IGY rule that US pub Explorer IV data by Sept noted