Obama was the one who began normalizing relationships with Vietnam. He lifted the arms embargo in May 2016. John Kerry as Sec. of State was involved.
I'm glad my Vietnam Vet brother wasn't alive when it happened. It would have made him feel his time over there was even more worthless than it already was.
July 11, 1995 – President William J. Clinton announces “normalization of relations” with Vietnam. August 6, 1995 – Secretary of State Warren Christopher visits Hanoi and officially opens the U.S. Embassy.