structural bulkhead

The Nigerian pointed to a small pocket of study units partially concealed by a structural bulkhead.

Having sustained damage to structural bulkheads from the ice pressure, the ship was repaired by Current in Point Hope.

The outer levels converged on an opening like an aperture in the structural bulkhead; through the aperture was the command module.

Bentham's designs featured little sheer, negative tumblehome, a large-breadth to length ratio with structural bulkheads, sliding keels, and were virtually double-ended.

"It is convenient to the laboratories, large enough to hold several hundred people without too much trouble--and sealed off on three sides by structural bulkheads too strong for even the massed strength of Vulcans to damage."