Sol 3962, March 18, 2015. Before driving away from the rim edge, Opportunity examined two unusual rocks, both named for U.S. Army sergeants who participated in the 1804-06 Lewis & Clark Expedition. Seen here in true-color images reconstructed from filtered Pancam frames by Holger Isenberg, are the rocks dubbed Sgt. Charles Floyd (top) and Sgt. Nathaniel Pryor (bottom).
Opportunity raw images, its latest mission status, a location map. and atmospheric opacity, known as tau.