"The mission of MIT is to advance knowledge and educate students in science, technology, and other areas of scholarship that will best serve the nation and the world in the 21st century." This 13 minute video provides an overview of how MIT has remained true to its mission by documenting its history and current global efforts. Historical features include Ellen Swallow Richards' contributions to water purification, MIT's technological advancements during WWI and WWII, and the Institute's key role in the Apollo program. MIT in Service pays tribute to MIT faculty who have served the nation in administrative and advisory roles in Washington and highlights a D-Lab class that worked to build schools in Cambodia. View more MIT150 videos at Multimedia.