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Boarding pass of passenger selected for secondary security screening. Secondary Security Screening Selection or Secondary Security Screening Selectee, known by its initials SSSS, is an airport security measure in the United States which selects passengers for additional inspection. People from certain countries are subject to it by default. [1]
The State Security Service (SSS), self-styled as the Department of State Services (DSS), [1] is a security agency in Nigeria and one of three successor organisations to the National Security Organization (NSO). The agency is under the Presidency of Nigeria, and it reports its activities direct to the President, office of the ONSA, headquartered ...
Former 20th Space Control Squadron emblem. The 20th Space Surveillance Squadron (20 SPSS) is a Space Delta 2 unit located at Eglin Air Force Base, Florida with the mission to execute multiplatform, tactical space warfighting domain characterization, recognition, and responsiveness to achieve 21st Space Wing and United States Space Command intent.
The United States Space Force is organized by different units: the Space Staff, the field commands, and the space deltas. The Space Force is organized as one of two coequal military service branches within the Department of the Air Force, the other being the United States Air Force. Both services are overseen by the Secretary of the Air Force ...
General Sir Mark Carleton-Smith. The Special Air Service (SAS) is a special forces unit of the British Army. It was founded as a regiment in 1941 by David Stirling, and in 1950 it was reconstituted as a corps. [5] The unit specialises in a number of roles including counter-terrorism, hostage rescue, direct action and special reconnaissance.
The 2nd Space Operations Squadron (2 SOPS) is a United States Space Force unit responsible for operating the Global Positioning System (GPS) satellite constellation, which provides global navigation, time transfer, and nuclear detonation detection. It is a component of Space Operations Command 's Positioning, Navigation, and Timing Integrated ...
The Space Warfighting Analysis Center (SWAC) is a direct reporting unit in the United States Space Force responsible for conducting analysis, modeling, wargaming, and experimentation to create operational concepts and force design guidance for the service. It is the Space Force's counterpart to the Air Force Warfighting Integration Capability ...
The Space Tracking and Surveillance System (STSS; formerly SBIRS-Low) was a pair of satellites developed by the United States Missile Defense Agency (MDA) to research the space-based detection and tracking of ballistic missiles. Data from STSS satellites could allow interceptors to engage incoming missiles earlier in flight than would be ...