B. Heath says 11b W-YO;
Space Shuttle, 11b W-O/YW, J.W.A. Lefeber, the Netherlands, 1981
Photo #57638 Becky Fox Matthews, USASpace Shuttle, 11b W-O/YW, J.W.A. Lefeber, the Netherlands, 1981
Photo #57637 Becky Fox Matthews, USASpace Shuttle, 11b W-O/YW, J.W.A. Lefeber, the Netherlands, 1981
Photo #51440 Heath Family Archives, USASpace Shuttle, 11b W-O/YW, J.W.A. Lefeber, the Netherlands, 1981
Photo #51439 Heath Family Archives, USASpace Shuttle, 11b W-O/YW, J.W.A. Lefeber, the Netherlands, 1981
Photo #51438 Heath Family Archives, USASpace Shuttle, 11b W-O/YW, J.W.A. Lefeber, the Netherlands, 1981
Photo #2807 Kirby Fong, USA