Registrierung von Überflügen sowie Starts oder Landungen in Deutschland durch die USA bei der DFS seit 2001 (G-SIG: 16040239)

This question concerns the registration process for US military aircraft overflights, takeoffs, and landings in Germany with the German Air Navigation Services (DFS) since 2001. It seeks to understand the procedures and data collection related to these US military aviation activities within German airspace.