Here is the scene where Trenchard is talking with the B-24 crew around 8:18 on the youtube video.
https://www.fold3.com/image/32018907
https://www.fold3.com/image/32018908
Label says Lord Trenchard inspects crew of Consolidated Liberator "Ball of Fire" .....
Crew members are (left to right) Captain Joseph S Tate, pilot ...... (goes on to list the crew).
Taken April, 1943 at 93rd Bomb Group. (Hardwick, Norfolk, England).
Note that Joseph Scranton Tate, Jr. , then a Lt Col, was killed in December, 1943.
https://www.americanairmuseum.com/person/136373