出典:Wikipedia
出典:『Wikipedia』 (2010/09/12 16:56 UTC 版)
Discoverer 27, also known as Corona 9020A, was an American area survey optical reconnaissance satellite which was launched in 1961, but failed to achieve orbit. It was a KH-5 Argon satellite, based around an Agena-B. It was the fourth KH-5 to be launched, the second consecutive KH-5 launch failure, and the fourth consecutive KH-5 mission failure.