US intelligence personnel at Pearl Harbor and with TF17 believed that Japanese carriers Kaga and Kasuga Maru (Taiyō) might also be involved with the MO operation (Lundstrom 2006, pp. 196–197).
Personel intelijen Amerika Serikat di Pearl Harbor dan di atas TF17 yakin kapal induk Jepang Kaga dan Kasuga Maru (Taiyō) kemungkinan juga terlibat dalam Operasi MO (Lundstrom 2006, pp. 196–197).