WRIGHT-PATTERSON AFB, Ohio, May 17 -- The U.S. Air Force Life Cycle Management Center issued the following news: * * * 15 May 1967 (Hanscom AFB/Digital Dir.) On this date, Air Defense Command successfully concluded Category III tests of newly-completed modifications at the three forward sites of the Ballistic Missile Early Warning System (BMEWS). These modifications were made by Hanscom Field's Electronic Systems Division, and largely represented the completion of the BMEWS, which was begun t  more