His joke aside, it illustrates an important point: there are a variety of ways to produce lift. For example, when one observes a jet overfly the runway during an airshow, holding its altitude while on its side, the engine is the source of the majority of its lift in that scenario.
Excellent resource and augment to the conversation here, thank you for posting! Totally love seeing the Harrier in that video - I saw one live at Oshkosh and WOW that thing was LOUD.
I'm reminded of perhaps the most excellent 30 seconds in all of ground school instruction:
https://www.youtube.com/watch?v=CK1UGWw15lc
His joke aside, it illustrates an important point: there are a variety of ways to produce lift. For example, when one observes a jet overfly the runway during an airshow, holding its altitude while on its side, the engine is the source of the majority of its lift in that scenario.
(Edited for clarity.)