What is "goes-s"

GOES-S is the second of the next generation of weather satellites operated by the National Oceanic and Atmospheric Administration (NOAA), giving sequence to the GOES system. The next satellites of the series ( GOES-R, S, T, and U) will extend the availability of the GOES satellite system until 2036. The satellite will be built by Lockheed Martin, it will be based on the A2100A platform and will an expected useful life of 15 years (10 operational after five years in orbit replacement).