Let us not forget the Brits, who initiated jet transport operations.
Good for them!!
CATIII yep, the Brits as well.
Many in the good 'ole USA seem to forget...they were not the first.
EXCEPT, swept wing jet transport ops....B707.
And, wide-body CATIII...Lockheed TriStar (with a lot of help from our British cousins, at Smiths.