Seated from left, Eric Lindstrom, Aquarius Program Scientist, NASA Headquarters; Eric Ianson, Aquarius Program Executive, NASA Headquarters; Gary Lagerloef, Aquarius Principal Investigator, Earth / Space Research, Seattle; Amit Sen, Aquarius Project Manager, NASA Jet Propulsion Laboratory and Daniel Caruso, SAC-D Project Manager, CONAE, Argentina hold a press conference on Tuesday, May 17, 2011 to discuss NASA's Aquarius/SAC-D mission at NASA Headquarters in Washington. The mission will study the salinity of the Earth's oceans from space. Aquarius/SAC-D is a collaboration between NASA and Argentina's space agency Comision Nacional de Actividades Especiales (CONAE), with participation from Brazil, Canada, France and Italy. The Aquarius/SAC-D observatory will launch June 9, 2011 from Vandenberg Air Force Base in California. Photo Credit: (NASA/Carla Cioffi)