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The call sign of the International Space Station was Alpha, now Station. When different space missions and different control centers work together in joint operations, for example when a Dragon capsule docks to the ISS, NASA connects all communication channels using what is known as the Big Loop. [10]
Call signs in South America; Spacecraft call signs; T. List of three-letter broadcast call signs in the United States; Time from NPL (MSF) U.
Flight controllers are personnel who aid space flight by working in mission control centers such as NASA's Christopher C. Kraft Jr. Mission Control Center or ESA's European Space Operations Centre. Flight controllers work at computer consoles and use telemetry to monitor various technical aspects of a space mission in real-time. Each controller ...
For SpaceX crewed flights, the Crew Operations and Resource Engineer (CORE) replaces CAPCOM, and acts as the relay between ground controllers at MCC-X at the SpaceX facility in Hawthorne and the crew in space. The CORE, who uses the radio call-sign SpaceX is a SpaceX employee, typically from the ranks of the engineers at SpaceX who participate ...
The Satellite Control Network (SCN), operated by the United States Space Force's Space Delta 6, provides support for the operation, control, and maintenance of a variety of United States Department of Defense and some non-DoD satellites. This involves continual execution of Telemetry, Tracking, and Commanding (TT&C) operations.
Russian nuclear icebreaker Arktika with call sign UKTY. Merchant and naval vessels are assigned call signs by their national licensing authorities. In the case of states such as Liberia or Panama, which are flags of convenience for ship registration, call signs for larger vessels consist of the national prefix plus three letters (for example, 3LXY, and sometimes followed by a number, e.g. 3LXY2).
Another option would be to use a unit callsign from the publication known as JANAP 119, such as "Old Nick Two-Zero-One." A Marine Corps aircraft might use a call sign like "Marine Delta November One-Zero-Two" or "Shamrock One-Zero-Two." Other tactical call signs may be employed as mission necessities dictate.
For Space Shuttle missions, in the firing room at the Launch Control Center, the NASA Test Director (NTD) performed this check via a voice communications link with other NASA personnel. The NTD was the leader of the shuttle test team responsible for directing and integrating all flight crew, orbiter, external tank/solid rocket booster and ...