My guess is the load master and his crew are the 3 more seriously injured. Chances are they may have been on the lower decks when she went in. Looks like the Flight deck and passenger compartments probably came through ok.
In a second career, I flew as a courier on a number of C-5 missions. I suspect that the Loadmaster was riding with the crew on the upper deck unless he/she was performing a last minute inspection of the cargo deck or checking for fire in the aft troop compartment area.
It looks like the fuselage separated near the crew lounge/bedroom area.. The courier seating area just forward of the wing box appears to be in pretty good shape and it looks as if the emergency egress slide is deployed from that area.