15 mission was the first mission designed to explore the Moon
over longer periods, greater ranges and with more instruments
for the collection of scientific data than on previous missions.
The mission included the introduction of a $40,000,000 lunar
roving vehicle that reached a top speed of 16 kph (10 mph)
across the Moon's surface.
Apollo 15 lunar landing mission was the first in a series of three
advanced missions planned for the Apollo program. The primary
scientific objectives were to observe the lunar surface, survey
and sample material and surface features in a preselected area
of the Hadley-Apennine region, setup and activate surface experiments
and conduct in-flight experiments and photographic tasks from
A total of
three moon walks occurred during Apollo 15 for a combined duration
of 18 hours and 33 minutes. Commander David Scott and Lunar Module
Pilot James Irwin completed the first of the extended lunar scientific
expeditions dubbed the J-series.
televised the first lunar liftoff and recorded a walk in deep
space by Alfred Worden. The scientific payload taken to the Moon
was double the previous missions.