Video: 'Viking I Lands on Mars, ABC News, July 20, 1976'

(Tuesday, July 20, 1976, 11:53:06 UTC/7:53:06 a.m. EDT) — An explorer from Earth, the robot craft Viking 1, made the first successful landing on Mars today and transmitted spectacular photographs of a rocky, wind-scoured desert plain, the site for the first direct search for life on another world.

Video: 'Viking First Views of Mars'