(1M1) N1 or '6L's,' 3 stage SL-X-15 on the "J" west pad. Work on the east "J" pad continues. The booster has no L-3 payload on top of it. It is capped by a temporary cone on top of its 3rd stage. The L-3 payload elements were being processed separately from the N1 first three stages in a parallel Flight Test Preparation processing operation that was successful in reducing vehicle processing time. Flight vehicles 6L and 7L are not documented in the Corona films.