 One B @-@ 26 , after being seriously damaged by anti @-@ aircraft fire , veered into a steep dive straight toward Akagi . Making no attempt to pull out of its run , the aircraft narrowly missed crashing directly into the carrier 's bridge , which could have killed Nagumo and his command staff . This experience may well have contributed to Nagumo 's determination to launch another attack on Midway , in direct violation of Yamamoto 's order to keep the reserve strike force armed for anti @-@ ship operations . 
