Blue Ribbon Sunken WWII Plane with Cave Ornament Exotic Environments(R) Sunken WWII Plane w/Cave - Frozen in time, this sunken plane is what remains of a once active military icon. Rusted from the depths and perched over a cave, your aquarium inhabitants will relish the dark hiding place and safe haven it provides. Product Features: It is the remains of a once active military icon. Item Specifications: Dimensions: 4. 75' L x 2. 5' W x 3' H