One of the GM reps was Roland L Spencer.
https://www.newspapers.com/clip/42144645/newspress/
Ancestry gives his date of death as February 28, 1942 in Iran.
A description of the crash scene:
https://www.ancestry.com/interactive...89025422/facts
The plane left Basra on February 28 and crashed near Darud around noon the same day.
Some other references apparently in the IDPF file for Gillies:
https://wwiiresearchandwritingcenter...s-in-the-idpf/
Other GM rep was Gustave A Goesele.
https://www.newspapers.com/clip/4215..._suntelegraph/
Remains were not recovered for either man.
Plane was a Russian DC-3.
https://www.ancestry.com/interactive...0_171348-00562