The Enemy Underground
S1, E4: Through better training, supply lines and troop numbers, the United States gains the upper hand by mid-1944, and targets the heart of Japan's inner defence ring, fighting to gain control of Saipan in the Marianas.

S1, E4: Through better training, supply lines and troop numbers, the United States gains the upper hand by mid-1944, and targets the heart of Japan's inner defence ring, fighting to gain control of Saipan in the Marianas.