First US Navy operational jet to go supersonic?

I was at a speech last week given by an ex-pilot who talked about how
he went supersonic in a Navy jet (their first jet that could break
the sound barrier). The aircraft would need to be put into a dive
though...approaching MACH 1 the plane would shake like crazy with the
helmet banging against the canopy. Once through MACH 1 the shaking
would stop. It was a really great story about how scared he felt with
his helmet smashing against the canopy and then the elation at going
supersonic...and then the sudden realisation that he was rapidly
approaching the ground!

LIke I said, it was a great story. What I didn't catch was the name
of the aircraft. Does anyone know?

--
Kulvinder Singh Matharu
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