'In July 1989 Richard H. Truly succeeded James C. Fletcher as administrator of this agency'
NASA
U.S . GOVERNMENT: In July 1989 Richard H. Truly succeeded James C. Fletcher as administrator of this agency
In July 1989 Richard H. Truly succeeded James C. Fletcher as administrator of this agency
In July 1989 Richard H. Truly succeeded James C. Fletcher as administrator of this agency
U.S . GOVERNMENT
NASA
U.S . GOVERNMENT