1 It also needs to have an area of the pond at least 3 feet deep, 4 - 5 may be better. WATER GARDEN.  A water garden typically contains both goldfish and a variety of aquatic plants. Water gardens in moderate climates usually need for an area of the pond to be at least 2 feet deep. Colder climates require a depth to provide at least 12 to 16 of water below the freeze zone. This topic has a page of its own.
All Navy SEALs must attend and graduate from their rating's 24-week A School known as Basic Underwater Demolition/SEAL (BUD/S) school, a basic parachutist course and then the 26-week SEAL Qualification Training program.
The Schools. After completion of Recruit Training or acceptance in the Navy Diver program from the Fleet, individuals will go to Naval Training Command, Great Lakes, for Diver Preparation Course (32 training days, including 20 days of Basic Electrical and Engineering courses).