Feeling one person's hand on her arm, Rinka stretched forward her other to find the gate. She'd grab the second person once she knew what they were about to pass through.

"Three layers, about fifteen centimeters thick total. Inner layer not as dense as the two outer. Feels like the density of concrete and steel. Meant to slow down the usual sort of intruders. Won't be a problem for us though."

A phaser isn't your usual sort of intruder after all.