The cache is not at the posted coordinates.
It's not widely know that Santa regularly touches down on the Pease runway during his dress rehearsal for his Christmas Eve journey. When he does, each reindeer runs off and hides a geocache for us to enjoy. To find where Vixen hid his, answer this simple question:
When St. Nick laughed:
A - he shook like a bowl full of jelly, then N 43 06.570 W 070 48.224
B - he shook like an earthquake, then N 43 06.224 W 070 48.120
Vixen loves to swim. Since the water at the North Pole is usually frozen, he heads for open water whenever he gets a chance. I gave you a good clue to to make a quick grab, since you probably aren't allowed to park here at prime times.