main propulsion system
101Landing Ship, Tank — A Canadian LST off loads an M4 Sherman during the Allied invasion of Sicily in 1943. Landing Ship, Tank (LST) was the military designation for naval vessels created during World War II to support amphibious operations by carrying significant… …
102Rings of Saturn — The full set of main rings, imaged as Saturn eclipsed the Sun from the vantage of the Cassini spacecraft on 15 September 2006 (brightness is exaggerated). The pale blue dot at the 10 o clock position, outside the main rings and just inside the G… …
103History of submarines — The history of submarines covers the historical chronology and facts related to submarines , manned autonomous boats that operate underwater. It includes the history of submersibles , which were designed primarily to operate on the surface, and… …
104Ion thruster — An ion thruster is a form of electric propulsion used for spacecraft propulsion that creates thrust by accelerating ions. Ion thrusters are characterized by how they accelerate the ions, using either electrostatic or electromagnetic force.… …
105Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …
106Crew Return Vehicle — ISS Crew Return Vehicle – CRV (X 38 Prototype) Operator NASA The Crew Return Vehicle (CRV), sometimes referred to as the Assured Crew Return Vehicle (ACRV), is the proposed lifeboat or escape module for the International Spa …
107Glossary of military abbreviations — List of terms, acronyms, information, related to modern armour, artillery, infantry, weapons, and related military subject matter.* AA anti aircraft * AAA anti aircraft artillery Triple A * AAAV Advanced Amphibious Assault Vehicle * AAD Armoured… …
108Colonisation De L'espace —  Pour les autres significations, voir colonisation de l espace en fiction. Dessin d artiste d un habitat spatial …
109Colonisation de l'espace — Pour les autres significations, voir colonisation de l espace en fiction. Habitat spatial en construction de type tore de Stanford, Dessin d artiste pour la …
110Colonisation espace — Colonisation de l espace  Pour les autres significations, voir colonisation de l espace en fiction. Dessin d artiste d un habitat spatial …
