The Air Force is slated to launch its fourth Space-Based Infrared System satellite to geosynchronous orbit tonight, securing the baseline capability for the persistent missile warning constellation. The satellite is set to launch Jan. 18 from Cape Canaveral Air Force Station, FL, at 7:52 p.m. and will fly on a United Launch Alliance Atlas V rocket. Col. Dennis Bythewood, director of the Space and Missile Systems Center’s remote sensing directorate, told reporters Jan. 16 the launch will meet the service's...