I'm not sure if these were for a flyby over Michigan Stadium or something else but it was pretty cool to see them.
First up is a C-17 Cargo Plane. As I was taking pictures of the game, I heard the sound of a jet engine. I looked up quickly enough to get this picture.
And a little bit later, I heard another jet engine and saw this KC-135. We don't usually get to see these around here. The KC-135 Stratotanker is a aerial refuelling plane based on the 707 design. It was developed to replace the KC-97 propellor plane and entered service in the 50's. The design has been updated over the years but may get replaced by a tanker based on the 767.
And a shot as he heads off.
I think this plane belongs to the University of Michigan flyers.