It's a bird, it's a plane, it's...a blimp?!

On our drive back to Tucson from Scottsdale (we went to a baby party/Ong family Thanksgiving), I pointed out some strange silver thing in the sky to the husband as we were coming back toward the city.  I was driving, and I said it looked possibly like a blimp.  As we got closer, the husband whipped out his camera and took a few pictures.  I wonder what it was doing in town?  Too bad the girls were konked out and missed it.

I have these horrible images of someone just dangling from that line...