Containment missiles are dumbfire missiles that temporarily disrupt and reboots the target vessel's frame shift drive. It can cause extended FSD reboots. It's Yuri Grom's power specific module.
FSD Interrupt is an experimental effect for dumbfire missiles that has the same result, but the reboots are shorter.
This is a class 2B weapon module, available after 4 weeks pledged to Yuri Grom at Merit level 3 for 1,951,040 CR.