Abstract: This paper presents a tutorial on the Tracking, Telemetry, and Command (TT&C) for spacecraft and satellite missions. In particular, it provides a thorough summary of the design of the TT&C, ...

Command blocks amplify potion effects, creating unpredictable powers and unintended consequences. Police in Finland arrest 2 members of cargo ship's crew in connection with damage to undersea cable ...

The Army is creating a command that will oversee planning and operations for the Americas and the Caribbean, with an emphasis on the nation's borders.

The U.S. Army is retooling to focus more on the Western Hemisphere - a makeover that's only partly related to the aggressive attitude that President Trump is showing towards Venezuela. Jay Price from ...