CNN commenters suggest spots for aviation enthusiasts . Later , he went on to be the first man to walk on the moon . Indiana 's Grissom Air Museum has planes flown by George W. Bush , Neil Armstrong . Comment: San Diego has first supersonic seaplane ; Oregon has Howard Hughes ' Spruce Goose .
CNN commenters suggest spots for aviation enthusiasts . Indiana 's Grissom Air Museum has planes flown by George W. Bush , Neil Armstrong . Comment: San Diego has first supersonic seaplane ; Oregon has Howard Hughes ' Spruce Goose .