The Lockheed S-3 Viking entered service in the 1970s as a carrier-based “Swiss Army Knife,” hunting subs, refueling jets, and ...

Thirty years ago — July 20, 1976 — NASA’s Viking 1 became the first spacecraft to land on Mars and send back detailed pictures of the surface. The Vikings paved the way for NASA’s Mars exploration ...

When NASA's Viking 1 lander made history as the first spacecraft to touch down on Mars on July 20, 1976, it sent back images of a landscape no one was expecting. When NASA's Viking 1 lander made ...

DENVER, CO., July 20, 2006 — The National Aeronautics and Space Administration’s (NASA) Viking 1 mission to Mars captured the world’s imagination 30 years ago when the first U.S. spacecraft to ever ...