This was a really awesome day. I riveted the left side of the aircraft.
I got started at the F-704 bulkhead and worked our way aft. Everything came together nicely. I held off on riveting the .125 diameter rivets for now. 
I worked our way forward a got a portion of the rivets set. 
I riveted 2 of the aft section bulkheads.
The left two bottom stiffeners were riveted to the bottom skin. Holding that bulking bar over my head for this operation was a pain.
Lastly, I riveted the outer center section ribs to the bottom skin.
Here’s the final product. It feels like we are really making some substantial progress.
