[Kaslin]

McCain was born on August 29, 1936, at Coco Solo Naval Air Station in the Panama Canal Zone.

Coco Solo was a United States Submarine base and naval air station. McCain was born in a small hospital at the Coco Solo naval air station. Hence he was born on American soil

[Himyar]

Okay. I guess it was just family lore that he was born in the Colon hospital like my sister.