 DAM builds the nuclear weapons of the French military and designs the power plants of the nuclear submarines of the French Navy.In December 2009, French President Nicolas Sarkozy declared that CEA, at this time named "Commissariat à l’énergie atomique" () should change its name to "Commissariat à l’énergie atomique et aux énergies alternatives" (); this change took effect on March 10, 2010, when the decision was published in the French Official Journal.CEA has played an active role in research, development and innovation in the four main areas low-carbon energies (nuclear and renewable), technologies for information and health technologies, the very large research infrastructures (TGIR), defense and global security.