Corona (satellite) retrieved two days later by a C-119 Flying Boxcar transport plane. This was the first successful return of photographic film from orbit. In comparison, Sputnik 5 was launched into orbit on August 19, 1960, one day after the launch of Discoverer 14. Sputnik 5 was a biosatellite that took into orbit the two Soviet space dogs, Belka and Strelka, and then safely returned them to the Earth . At least two launches of "Discoverers" were used to test satellites for the Missile Defense Alarm System (MIDAS), an early missile-launch-detection program that used infrared cameras to detect the heat signature of
Space Dogs with their feeding formula as water, Belka was afraid but still jumped through the fire ring in to the driver's seat to turn the rocket back towards Earth. Strelka extinguished the fire, and Kazbek confessed his love for Belka. The dogs look at various constellations and Strelka salutes Sirius in lieu of her father. The dog flight crew makes it back to Earth alive. Strelka, Belka and Venya receive a heroes welcome, and it is discovered that Kazbek stowed away on the flight, but the Scientist in charge of the project tells him that Soviet Propaganda won't allow the world