The U.S. Air Force is planning to launch two new and previously classified space situational awareness satellites into geosynchronous orbit this year, according to Gen. William Shelton, who leads Air Force Space Command.

The spacecraft were developed covertly by the Air Force and Orbital Sciences under the Geosynchronous Space Situational Awareness Program (GSAP), according to service officials.

The first two spacecraft will be boosted this year with two more to follow in 2016 to prevent a gap in surveillance on activities in the geosynchronous belt, Shelton said at the annual Air Force Association Air Warfare Symposium in Orlando. This is where commercial satellite communications are based, as well as critical national security assets such as the Space-Based Infrared System (Sbirs) early missile warning system and Advanced Extremely High Frequency (AEHF) constellation designed to provide jam-proof communications for the president even during a nuclear event.

“One cheap shot” against Sbirs or AEHF would be “devastating” to the Pentagon’s capabilities, Shelton said of a potential anti-satellite attack.

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