Lecture
This lecture provides an overview of the space capabilities of various nations, space agencies, and private companies as of 2015. It covers the capabilities of countries like the U.S., Russia, China, Canada, European Space Agency, and India, as well as major space agencies like NASA, ESA, Roscosmos, JAXA, and CSA. The lecture also discusses the increasing involvement of private companies in space access, including SpaceX, Boeing, Northrop Grumman, Sierra Nevada Corporation, Scaled Composites, Blue Origin, and Virgin Galactic.