For area residents, who remember that two F-15s from Otis scrambled for New York on Sept. 11, 2001, yesterday's news was devastating. ''I think it's a disgrace, especially after 9/11," said Sullivan. ''They're protection for Massachusetts, if something happens." For locals, though, the base remains a key part of Cape history. It's the place where John F. Kennedy used to fly into en route to his family's compound. More recently, Otis's quick response on Sept. 11 is a point of pride. ''The air guard, of course, defends the Northeast corridor of the US, and they're all excellent citizens," said LaFarge,...