SAC-D (, meaning Satellite for Scientific Applications-D), also known as Aquarius after its primary instrument, is an Argentine Earth science satellite built by INVAP and operated by CONAE. SAC-D was launched from Vandenberg Air Force Base on 10 June 2011, with an planned mission life of five years. Due to a power system failure, the mission was ended on 8 June 2015.

SAC-D (, meaning Satellite for Scientific Applications-D), also known as Aquarius after its primary instrument, is an Argentine Earth science satellite built by INVAP and operated by CONAE. SAC-D was launched from Vandenberg Air Force Base on 10 June 2011, with an planned mission life of five years. Due to a power system failure, the mission was ended on 8 June 2015.