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.
Navy Divers perform underwater salvage, repair and maintenance, submarine rescue and support Special Warfare and Explosive Ordnance Disposal while using a variety of diving equipment. They also maintain and repair diving systems. Navy Diver class A school is 15 weeks in duration, and it is located in Panama City, Florida. Before attending the class A school, a seven week preparatory school will be completed at Naval Training Center, Great Lakes, Illinois. The Navy Diver rating requires a minimum of a six year enlistment obligation. Navy Diver (NOS E100) Enlistees are taught the fundamentals of diving through formal Navy schooling and on the job training.