I'm in Orlando and the museum is open to the public most of the time, especially on weekends and various holidays, no admission fees. It's not a large place but they are in the process of acquiring more land and at this time restoring a A-4.
They have an operational Pibber boat and various vehicles.
Their website is listed as a national vietnam war museum if you want to look it up.
Near the huey is a statue of a German Sheppard and is a monument to the K-9 units from all the branches. They have also rescued the Orlando Vietnam memorial from the junk yard where it was left during a removation in town. If I got the story right.