What i dont get is why Daniel does not remember writing this back in 1996, since technically it already happened. Also i found it kinda funny when he first meets daniel and says "Well... why didnt the future me help you? Seems like a lot of trouble to go though... ya know... time travel..." Thats a good point, why didnt daniel explain that he needed a constant, why did 1996 Daniel have to tell him that?

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Ted Striker: My orders came through. My squadron ships out tomorrow. We're bombing the storage depots at Daiquiri at 1800 hours. We're coming in from the north, below their radar.

Elaine Dickinson: When will you be back?

Ted Striker: I can't tell you that. It's classified.