I think you're being a little too hard on yourself.... in all fairness, it was hot and we stayed on our feet a lot. A good part of training and learning comes from the realization that some tasks require more from us physically than initially expected. Extended tactical operations will, not can, become extremely demanding both physically and mentally.
Your continued commitment to push yourself and learn is to be commended... and for the record, it's WALL FLOOD, not FALL FLOOD... LOL. Thanks for coming out, it's always good to see you.