A farewell speech can tell us a lot. Looking at things from a different angle sometimes helps figure out what we are looking at/witnessing.
Before I get into timestamps of angle changes. Lets look at the length of the speech video. 19:47
The USAF estbl'd Lookout Mt in 1947, secret film unit hdqtr'd in Laurel Canyon to produce propaganda disseminated by C_A for soc'l enginr'g. @robertsepehr