The three Apollo 15 crew receive a welcome on their arrival at Ellington Air Force Base, Houston, Texas, after en eight-hour flight aboard a U.S. Air Force C-141 jet aircraft from Hawaii. Left to right are: Astronauts David R. Scott, Alfred M. Worden and James B. Irwin. Members of the astronaut's families identified in picture are left to right: Scott's daughter, Tracy; Worden's father, Merrill Worden; Worden's daughter, Merrill; and Irwin's two daughters, Joy and Jill.