Mars Transverse Mercator (MTM) quadrangles −15027, −20027, −25027, and −25032 (lat 12.5°−28° S., long 330°−335° E. and lat 22.5°−28° S., long…

Hellas Planitia comprises the floor deposits of the Hellas basin, more than 2,000 km across and 8 km deep, which is located in the southern hemisphere's cratered highlands and is the largest…

The Barrymore quadrangle (V€“59) is a predominantly ridged plains region south of Imdr Regio, incorporating portions of Helen, Nuptadi, and Nsomeka Planitiae. The map area extends from lat…

James Irwin (left) and David Scott (right) drive Grover.

James Irwin (left with checklist) and David Scott (right) drive Grover; closeup of seating area and camera.

James Irwin with chest-mounted camera and David Scott (not visible) drive Grover.

Charles Duke (left) and John Young (right) drive Grover; camera and transceiver covered in gold foil, fenders installed.

Charles Duke (background) and John Young (foreground) drive Grover with canyon in background; panoramic view.

Charles Duke (left) and John Young (right) drive Grover; camera and transceiver covered in gold foil, no fenders.

Eugene Cernan (foreground) and Harrison Schmitt drive Grover; closeup of seating area.