Great video trip report as usual ! It seems like UA food selections are getting better. The knowledge of 'physics of fluids' that I learned in high school has come back to me
really like the way you describe how thrust works for an airplane, thanks!
FYI, as long as you hold a star alliance business class ticket, you can enter any of the SA business class lounge. The same applies for first class ticket.
For this case, you can access to 3 lounges:SQ, UA and TG