It was a kick in the pants, wasn't it? Good for you, and you had one heck of a pilot flying you. Did you ride in the front? The first time I went up in the T-28 (called your "Dollar Ride"), I was amazed. It felt like flying an empty beer can with Estes rockets strapped to it.
Formation flying in the T-38 was challenging, but I found formation flying in it much, much improved over other aircraft because of the T-38s raw power. You could think about getting back into position, and the aircraft would respond.
Backseat, from LAX out over to Edwards and back to LAX where MOL had about three 38’s. Others who went on to shuttle were Truly, Fullerton,Crippen and Overmeyer. I got in shape running with these MOL test pilots.