text: MIT was elected to the Association of American Universities in 1934 and remains a research university with a very high level of research activity; research expenditures totaled $718.2 million in 2009. The federal government was the largest source of sponsored research, with the Department of Health and Human Services granting $255.9 million, Department of Defense $97.5 million, Department of Energy $65.8 million, National Science Foundation $61.4 million, and NASA $27.4 million.