Continuity mistake: When Rabb lands at Norfolk the number of the chopper is 426, there he meets Commander Turner who says that he takes the same chopper as transport to the submarine. The Sea Knight is the last transport to leave the base before lock-down. When the same chopper approaches the USS Crawford it suddenly has the number 62.
Continuity mistake: When Donna jumps off the bridge, it's into relatively shallow water under the bridge, and there is land very nearby (at both ends of the bridge). When the camera shows her in the morning, she is suddenly far out to sea in the ocean. (00:01:51 - 00:09:33)