Advanced SEAL Delivery System — insertion platform.MissionsASDS was conceived to address the need for stealthy long range insertion of Special Operations Forces on covert or clandestine missions. Previous mini subs were of the wet variety, exposing Combat Swimmers to long, cold … Wikipedia
SEAL Delivery Vehicle — The SEAL Delivery Vehicle or (SDV) is a manned submersible and a type of Swimmer Delivery Vehicle used to deliver United States Navy SEALs and their equipment for special operations missions. SDVs carry a pilot, co pilot, and combat swimmer team… … Wikipedia
Water (classical element) — Water has been important to all peoples of the earth, and it is rich in spiritual tradition.Greek and Roman tradition Water is one of the four classical elements in ancient Greek philosophy and science. It was commonly associated with the… … Wikipedia
Water well — Village pump redirects here. For information on Wikipedia project related discussions see Wikipedia:Village pump. Water well at the Wald monastery in Germany. A water well is an excavation or structure created in the ground by digging, driving,… … Wikipedia
Water gun — A water gun (or water pistol, squirt gun, or water blaster) is a type of toy designed to shoot water. Together with water balloons, these devices are the primary tools used to soak another during a water warfare game. Historically, water guns… … Wikipedia
Seal of Maine — Great Seal of the State of Maine Details Armiger State of Maine Adopted June 1820 … Wikipedia
Water memory — Memory of water redirects here. For the Spanish Argentine film, see Memory of Water (film). Water memory Claims Under certain circumstances water can retain a memory of solute particles after arbitrarily large dilution. Related scientific… … Wikipedia
Water rocket — A water rocket is a type of model rocket using water as its reaction mass. The pressure vessel mdash;the engine of the rocket mdash;is usually a used plastic soft drink bottle. The water is forced out by a pressurized gas, typically compressed… … Wikipedia
Water-tube boiler — A water tube boiler is a type of boiler in which water circulates in tubes heated externally by the fire. Water tube boilers are used for high pressure boilers. Fuel is burned inside the furnace, creating hot gas which heats up water in the steam … Wikipedia
Safe Drinking Water Act — Full title An Act to amend the Public Health Service Act to assure that the public is provided with safe drinking water, and for other purposes Colloquial name(s) SDWA Enacted by the 93rd United States Congress … Wikipedia
Solar hot water — is water heated by the use of solar energy. Solar heating systems are generally composed of solar thermal collectors, a fluid system to move the heat from the collector to its point of usage. The system may use electricity for pumping the fluid,… … Wikipedia