Spaceflight Now + Premium video content for our Spaceflight Now Plus subscribers. Cassini preview The Cassini spacecraft's arrival at Saturn is previewed in this detailed news conference from NASA Headquarters on June 3. (50min 01sec file)  Play video Saturn arrival explained Cassini's make-or-break engine firing to enter orbit around Saturn is explained with graphics and animation. Expert narration is provided by Cassini program manager Robert Mitchell. (3min 33sec file)  Play video Cassini mission science The scientific objectives of the Cassini mission to study the planet Saturn, its rings and moons are explained by Charles Elachi, director of the Jet Propulsion Laboratory. (4min 54sec file)  Play video Huygens mission science After entering orbit around Saturn, the Cassini spacecraft will launch the European Huygens probe to make a parachute landing on the surface of the moon Titan. The scientific objectives of Huygens are explained by probe project manager Jean-Pierre Lebreton. (3min 14sec file)  Play video Become a subscriber More video		Saturn Orbit Insertion timeline COMPILED BY WILLIAM HARWOOD Posted: June 4, 2004