> first tail-sitter with a mass-production contract.
Just say you're not the first. This whole "with an X" or "to feature X" goalpost shifting is just unsportsmanlike and not to mention, embarrassing. The SNECMA Coléoptère could go get a "mass production contract" and burn it the next day, just to stick it's nose up at you all the way back in 1959.
> first tail-sitter with a mass-production contract.
Just say you're not the first. This whole "with an X" or "to feature X" goalpost shifting is just unsportsmanlike and not to mention, embarrassing. The SNECMA Coléoptère could go get a "mass production contract" and burn it the next day, just to stick it's nose up at you all the way back in 1959.