sentences:  He was selected as one of four payload specialists for Spacelab 2 on August 9, 1978, and after seven years of training he flew on STS-51-F/ Spacelab-2 in 1985.At mission conclusion, Acton had travelled over 2.8 million miles in 126 Earth orbits, logging over 190 hours in space.Acton is married and has two children.