Viking Lander (image) Washington State University Share Print E-Mail Caption This is the landing site on Mars of Viking Lander 2, which operated on the planet surface for 1,316 days and was turned off in 1980 when its batteries failed. Credit Photo from Mary A. Dale-Bannister, Washington University in St. Louis Usage Restrictions Please credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.