after the tu-144 the crashed at the Paris Airshow on 3 June 1973 - it caused the image of the plane to be tarnished, therefore, no foreign orders were placed for it.
Internally in the USSR the TU144 was too fast and too prestigious, and too expensive, and a market was never created for it. There were limited flights for it, but it also had a limited range, there were plans to make a Tu-144D which is a Dalneya ( extended . long range ) version with new engines.
designs behind this airplane were applied in building the Tu-160 blackjack strategic bomber
Retire
The Undertaker will retire when he dies
The prefix of "retire" is "re-".
She wasn't going to retire yet.They decided to retire to bed for the night.
The adjective form of retire is :- retired, retiring.
the band did not retire
most can retire after 20 years.
Retire is a verb.
he didn't retire he got maried
when did sally ride retire
retire: jubilar(se)
he can resign not retire