This shows the 3S2P slid in. There is velcro on the bottom of the plate it is resting on and the top of three formers keeps it from moving elsewhere. The front plate is held on by two 8-32 nylon bolts and blind nuts epoxied in. One on the top and one on the bottom.
The second picture shows how the pod slides out and of course the third picture is a homemade decal that informs of its intentions