Helpful, yes. But actually, helpful for the enemy defenders to move quickly around the installation.

They get to the lower end of the passage, Tanya draws one of her guns... and pulls the opening lever, shouldering the heavy door open and diving into the next room.

A half dozen very surprised guards turn around and scramble to ready their guns: the area ahead is a wide, high crossing of hallways, a hub of sorts, with armed soldiers and unarmed service people all stunned a moment by the invasion.