El Space-Based Infrared Sensors (SBIRS), es un componente clave del futuro sistema de alerta de misiles de EUA y forma para del Programa SILENT BARKER. Este Programa llevado adelante por el Air Force SPACE COMMAND, consiste en un Sistema Integrado Satelital de gran altura, diseñado específicamente para dar alerta temprana y monitoreo permanente sobre posibles lanzamientos de misiles balísticos (ICBM) en cualquier parte del mundo. Se estima que el sistema estará operativo en 2022.
The Space Based Infrared System (SBIRS)-High satellite program is a key component of the USA’s future missile alert system, designed to give maximum warning and monitoring of ballistic missile launches anywhere in the world. The new satellites will replace the existing Defense Support Program (DSP) fleet. Their infrared sensors have 3x the sensitivity of DSP and 2x the revisit rate, while providing better persistent coverage.
Unfortunately, the program has been beset by massive cost overruns on the order of 400%, technical challenges that continue to present problems, and uncertainties about performance. Despite these problems, the U.S. Air Force is proceeding with the program, and has terminated potential alternatives and supplements. However, as part of a January 2015 effort to institute cost reforms, the Air Force will weaken requirements for the program, and at least three other major procurement programs.
