Original sentence: Navy technicians for further study of the Japanese technology.To keep the advanced Japanese technology out of the hands of the Soviets, Operation Road's End was instituted.Upon completion of the reverse engineering study, the submarines were scuttled in the waters off Kalaeloa near Oahu in Hawaii by torpedoes from US submarine  on June 4, 1946, apparently because Soviet scientists were again demanding access to them.While there, they received a message that the Soviets were sending an inspection team to examine and reverse engineer the submarines
Edited sentence: Navy technicians for further inspection.To keep the technology out of the hands of the Soviets, Operation Road's End was instituted.Upon completion of the inspections, the submarines were scuttled in the waters off Kalaeloa near Oahu in Hawaii by torpedoes from US submarine  on June 4, 1946, apparently because Soviet scientists were again demanding access to them.While there, they received a message that the Soviets were sending an inspection team to examine the submarines