He was called to the team earlier this month, when the Harambee Stars were preparing to meet the Super Eagles of Nigeria, but he didn't make it to the final squad that travelled to Abuja.
The purpose of the bulkhead is threefold: to seal the forward end of the motor, to retain the pyrogen igniter, and to act as a blowout plug in case of motor overpressurization (discussed earlier).
The university released a statement this morning announcing Rice is firing and acknowledging that earlier punishment, a suspension and fine didn't go far enough.