Explorer 60, also known as SAGE I, AEM-B, and Applications Explorer Mission-B, was a NASA Earth-observation spacecraft launched on February 18, 1979. Its sun-photometer measured global stratospheric aerosol extinction, ozone, and nitrogen dioxide profiles; spacecraft operations continued until November 19, 1981 and the last signal was received on January 7, 1982 after battery failure.
Future launches and major activity directly linked to this vehicle family.