4/unknown projects for anomalous this is a work in progress, the door design is temporary. weighing over 80 million tons and separating the Reactor and the facility is a 200 meter thick ceptisalunanium door. Not even every explosive in the world will get through it.... except for a dark matter explosion. Inside, there is a second layer of protection, a forcefield that triggers a failsafe in the event of an unauthorized shield termination.