Four skins for OBIO and Full's un-mirrored Version 2 of SWingman's Grumman J2F Duck. Two skins each for the J2F-5 and the J2F-6, including Ducks from the Reserve bases at Squantum, Mass. and Minneapolis, Minn., one from the Naval Ait Test Center at Patuxent River, Md., and a generic blue Duck...