Scientific Study from the year 2026 in the subject Computer Science - IT-Security, The George Washington University (Cyber Security), language: English, abstract: A common misconception surrounds modern precision-guided and networked weapon systems that rely on satellite links (SATCOM) and satellite-based positioning, navigation, and timing (PNT) during the authorization and arming phases. Many assume a simple remote "kill switch" can instantly disable a weapon post-arming. This paper examines the actual technical implementation of satellite-based deactivation, which is largely confined to the initialization and pre-arming window. True remote deactivation after arming is deliberately avoided in most designs due to survivability requirements, jamming/spoofing resistance, and the need to prevent adversaries from exploiting a single point of failure. We analyze cryptographic authorization chains delivered via satellite, short-lived authorization tokens with freshness checks, indivisible state-machine transitions, fail-safe behaviors on communication loss, the distinction between passive denial (no token received ¿ no arming) and active commands, and the deliberate trade-offs between supplier control and battlefield effectiveness. Diagrams illustrating cryptographic flows and state transitions are provided for clarity. All information presented is unclassified.