By D23 Team Since 2007, the eight bright-yellow submarines have floated proudly in the shimmering, aqua-blue water of the fabled Tomorrowland lagoon in Disneyland. Guests giggle with glee when they hear the sound of Audio-Animatronics® seagulls shouting “Mine! Mine!” from a nearby buoy, before they step down beneath the waterline into one of the vessels, grab …