CIMSEC – Admiral Caudle’s first message to the fleet outlined three priorities: the Foundry; the Fleet and the way we Fight. These priorities cannot be realized without acknowledging the simple fact that the next war at sea will be decided first in space. Ships and Sailors operating inside lethal weapons engagement zones (WEZs) cannot survive against China’s massed, over-the-horizon precision fires unless the Navy treats space operations and Counter-C5ISRT (C-C5ISRT) as foundational, not auxiliary, to naval warfare.