Boeing E-6 Mercury (formerly Hermes) is an airborne command post and communications relay The E-6B conveys instructions from the National Command Authority to fleet ballistic missile submarines (see communication with submarines), a mission known as TACAMO (“Take Charge And Move Out”).
Lockheed P-3 Orion is a four-engine turboprop anti-submarine and maritime surveillance aircraft developed for the United States Navy. The aircraft is easily distinguished from the Electra by its distinctive tail stinger or “MAD Boom”, used for the magnetic detection of submarines.
Boeing RC-135 is a reconnaissance aircraft designed to support theater and national level intelligence consumers with near real-time on-scene collection, analysis and dissemination capabilities.
Boeing E-3 Sentry is an American airborne early warning and control (AEW&C) aircraft developed by Boeing. E-3s are commonly known as AWACS (Airborne Warning and Control System). It provides all-weather surveillance, command, control, and communications.
P-8A Poseidon is designed for long-range anti-submarine warfare (ASW), anti-surface warfare (ASuW), and intelligence, surveillance and reconnaissance (ISR) missions; it is defined by a unique combination of state of the art sensors, proven weapons systems, and a globally recognized platform.