Originally Posted by
sarahtasher
The biggest proponent in the USA of VSTOLS (Ospreys, F-35 sub-models) have been the Marines. It might be turf wars, it might be legitimate requirement of having organic aircraft on ''their'' ships'' (VTOL itself is almost always a lie, as while it looks impressive on paper, realist operations are usually VSTOL to spare the airframes and have genuine combat loads)
The issue is, VSTOLS are still tricky, and with all things being equal, a VSTOL is usually inferior to an equivalent aircraft without that gimmick (for instance, the Osprey might looks mightily cool in Half Life but it remains to be told how it's markedly better than the safer and cheaper decades old CH-46 and CH-47 helicopters. The same thing go for the various iterations of the Harriers-they are drastically inferior to virtually all aircraft of the same generation). The Harrier performance in the Malouines was impressive first look, a lot less impressive if you realize that the Argentinians did not even carried AA missiles because of range and combat loads.
A VSTOL aircraft supposedly tasked with air-air defence or limited air-ground strike capacity is an fact aircraft designated to be operable from financially bearable carriers. Considering that as of 2017, there are exactly two countries in the world that can afford real CATOBAR carriers with CATOBAR aircraft on them (ZING, Royal Navy), such a concept make a lot of sense for regional powers who will never really need high performance naval aviation...
Thus, why, of all countries of the world, the US Marines insist(ed) on getting jump jets that were unreliable and inferior in loads, speed, endurance, performance to the ''real'' jets fielded by the US Navy ? (I mean, getting Harriers or the equivalent make sense if you are any country except the US, where you have real carriers instead of ersatz ones)
As said in the opening sentence, this is a loaded question, since the SVTOL F-35 version (which, again, will like Harriers do VTOL for official photo and be a SVTOL the rest of the time) have design limitations (cross section, aerodynamism, pilot visibility) that apply to the two others versions, for a gimmick (VTOL/SVTOL ) that is not [I]THAT/I] useful.