What would happen if NBA players with mad vertical played volleyball?

Check this scenario. What if say the USA Mens Volleyball team recruited some NBA players with insane hops, like Dwight Howard and Lebron James, trained them for one year in volleyball, and then put them on the team in the Olympics?|||a lot of former players did and they were very good at it.|||LeBron would be awesome for it, but I question his selfishness...