JAPAN’S KAITEN—HUMAN-PILOTED TORPEDOES—CLAIM FIRST U.S. VICTIM
Ulithi Atoll, Caroline Islands, Western Pacific • November 20, 1944 On this date in November 1944, an hour before daybreak, 3 Japanese Kaitens—human-piloted torpedoes—wakelessly and silently motored eastward through an opening in the coral reef that surrounded the 212‑sq. mile/596‑sq. km Ulithi lagoon in the Caroline Islands. Up until early 1945 Ulithi Atoll was the U.S….

