Here is a photo of the Air Force (SAFSP-21) Payload Program office:
Sitting: Capt Randy Cohen, Capt Don Aguirre
Standing: Capt Mike Dunn, Capt Stephen Gourley, Maj George Grogan (Gambit), Lt Col (Sel) Phil Datema. Cira 1984.
At the time Datema worked for Col Les McChristian, the HEXAGON and GAMBIT payload Progam Manager. Datema, who replaced Gainey Best, was responsible for the Hexagon and Gambit payloads. Col Larry Cress replaced McChristian as the HEXAGON Payload Manager after the last Gambit mission in 1984.