Before revision: The instrument is flown on board the United States Air Force Defense Meteorological Satellite Program (DMSP) F-16, F-17 and F-18 satellites, which became operational in November 2005, March 2008 and March 2010 , respectively.
After revision: The instrument is flown on board the United States Air Force Defense Meteorological Satellite Program (DMSP) F-16, F-17 , F-18 satellites, which became operational in November 2005, March 2008 March 2016 and May 2016and F-19 , respectively.