Jap Landing in U.S. From Sub RevealedSTOCKTON, Calif., March 261 (APV—Former Civilian Defense Of- i ficiai Kenneth Hammaker today Isaid that between 12 and 15 Japanese ] an dad from a submarine 15 miles north of San Francisco InNovember 1942.Hammaker said American soldiers on maneuvers saw the Japanese land about midnight and took them prisoners without resistance.