While waiting for an arriving 777X, I looked back across Boeing Field at the Boeing military ramp.  They had a bunch of P-8s on the ramp at that time but one seemed a bit odd.  First, it didn’t have the fin cap attached.  I am not sure what might be the reason for removing it.  Also, something about the paint on the fin was odd.  It looked like someone was in the process of repainting it.  Since it was on their ramp and the rest of the airframe was obscured, I couldn’t see which airframe it was or which customer it was destined for so no idea what the story might be.  Anyone with any suggestions?