The seals ' failure caused Causation a breach in the SRB joint , allowing Preventing_or_letting pressurized burning gas from within the solid rocket motor to reach Arriving the outside and impinge upon the adjacent SRB aft field joint Collaboration attachment hardware and external fuel tank .

This led to Causation the separation Forming_relationships of the right-hand SRB 's aft field joint Collaboration attachment and the structural failure of the external tank .

The tail section had been severed just aft of the toilet and was found Know mostly intact almost a mile away from the main wreckage .

`` Kuma '' was hit Attack starboard aft by two torpedoes .