S70-56415 (December 1970) --- At Kapoho, Hawaii, astronauts <a href="https://en.wikipedia.org/wiki/David_R._Scott" class="extiw" title="w:David R. Scott">David R. Scott</a> (left), commander of the <a href="https://en.wikipedia.org/wiki/Apollo_15" class="extiw" title="w:Apollo 15">Apollo 15</a> lunar landing mission, and <a href="https://en.wikipedia.org/wiki/James_B._Irwin" class="extiw" title="w:James B. Irwin">James B. Irwin</a>, lunar module pilot, train at a designated lunar surface simulation area for their upcoming lunar landing mission. Wearing street clothes, but equipped with a Portable Life Support System (PLSS), the two rehearse for a selenological traverse. Here, they are inspecting a grapefruit-sized rock.
NASA
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