Not really. Yak 38 was highly specialised plane for use by Soviet Navy - intended and remained a niche project.
While F-35 was supposed to be universal plane for everything.
Soviet VTOL projects were also met with huge problems, as illustrated by this first working attempts (of 4 proptotypes 1 never flied and 2 crashed), but as you can see Soviets recognized the idea had limited use, instead of hamfisting it like the US.
Not really. Yak 38 was highly specialised plane for use by Soviet Navy - intended and remained a niche project.
While F-35 was supposed to be universal plane for everything.
Soviet VTOL projects were also met with huge problems, as illustrated by this first working attempts (of 4 proptotypes 1 never flied and 2 crashed), but as you can see Soviets recognized the idea had limited use, instead of hamfisting it like the US.