An Indian rocket lifted off with two British-built Earth-imaging satellites at 1638 GMT (12:38 p.m. EDT) Sunday — one developed with the financial backing of the UK government to demonstrate radar reconnaissance technology, and another destined for use by a commercial imaging company in Asia.

NASA declared the Spitzer Space Telescope’s 16-year mission complete Thursday after sending final commands for the spacecraft to enter hibernation as it drifts farther from Earth.

Launching the secretive NROL-61 payload for the U.S. National Reconnaissance Office, a United Launch Alliance Atlas 5 rocket thundered away from Cape Canaveral today at 8:37 a.m. EDT (1237 GMT).