This photograph was taken during the Apollo 15 mission on the lunar surface. Astronaut David R. Scott waits in the Lunar Roving Vehicle (LRV) for astronaut James Irwin for the return trip to the Lunar Module, Falcon, with rocks and soil collected near the Hadley-Apernine landing site. The Apollo 15 was the first mission to use the LRV. Powered by battery, the lightweight electric car greatly increased the range of mobility and productivity on the scientific traverses for astronauts. It weighed 462 pounds (77 pounds on the Moon) and could carry two suited astronauts, their gear and cameras, and several hundred pounds of bagged samples. The LRV's mobility was quite high. It could climb and descend slopes of about 25 degrees. The LRV was designed and developed by the Marshall Space Flight Center and built by the Boeing Company.