LCROSS OCT 9,09' Dual impact animation.br The LCROSS mission is a search for water on the moon. The LCROSS mission is going to do this by sending a rocket crashing into the moon causing a big impact and creating a crater, throwing tons of debris and potentially water ice and vapor above the lunar surface. br "Courtesy of NASA | LCROSS" "Water on the Moon" written by LCROSS Deputy Project Manager John Marmie! Performed by John Marmie and Jeff Petro.