Nothing of significance. Viking 1 and Viking 2 landed in 1976 and after that there were no Mars missions until 1988.
Viking 1 and Viking 2 landed on Mars in 1976 and Mars Pathfinder (and the Mars rover Sojourner) landed on Mars in 1997 and are still up there moving and functioning today.
viking 1and/or 2
NASA's Viking 1 and Viking 2 landed on Mars in 1976.
The viking rovers, vikings I and II.
Viking 1 was launched on August 20, 1975, and the second craft, Viking 2, was launched on September 9, 1975. Viking 1 entered Mars orbit on June 19, 1976. The Viking 1 touched down on the surface of Mars on July 20, 1976, and was joined by the Viking 2 on September 3.
Viking 1 landed on Mars in July 1976.
It never landed on the moon. Viking II landed on Mars around August 6 1976.
Mars. Viking 1 and Viking 2 both landed on the planets surface in 1976.
The two VIKING probes arrived in Mars orbit in 1976 when they started sending photographs back to Earth. The two orbiters continued sending photographs and the landers conducted experiments on the planet's surface until they failed as follows:Viking 2 Orbiter: July 1978 Viking 2 Lander: April 1980 Viking 1 Orbiter: August 1980 Viking 1 Lander: November 1982.
viking 1
Spacecraft that landed on Mars in the 1970s