At 0900 hours, officers of Japanese Submarine Squadron 1 (Nobukiyo Nambu, Toshio Kusaka, Tsuruzo Shimizu, and Katsuo Ohashi) and 631st Naval Air Group (Lieutenant Commander Masayoshi Fukunaga, Atsugi Asamura, and Kazuo Takahashi) met to discuss plans for an attack on the Panama Canal. They were joined by officers from the Naval General Staff from Tokyo, Japan (Commander Shojiro Iura and Commander Yasuo Fujimori).
