Once on course towards the Moon, the crew put the spacecraft into a rotisserie " barbecue " mode in which the craft rotated along its long axis three times per hour to ensure even heat distribution about the spacecraft from the Sun.

Once again, the sparse comet jets did not appear to point towards the spacecraft.

Once Galileo < nowiki >'</ nowiki > s prime mission was concluded, an extended mission followed, starting on December 7, 1997 ; the spacecraft made a number of daring close flybys of Jupiter's moons Europa and Io.

Once the recovery helicopter hooked onto the spacecraft, the astronaut blew the escape hatch to exit the capsule.

Once they arrived at the launch pad, Sergei Korolev inspected the rocket and spacecraft for problems, and without finding any, the rocket was raised into the upright position.

Once Gagarin was in the Vostok 1 spacecraft, his picture appeared on television screens in the launch control room from an onboard camera.

Once the hydrazine froze, the spacecraft would no longer be able to maneuver to keep its high gain antenna pointing towards Earth, and the downlink signal would then be lost in a matter of days.

Once in space, the motion of a spacecraft — both when unpropelled and when under propulsion — is covered by the area of study called astrodynamics.

Once in space, the motion of a spacecraft — both when unpropelled and when under propulsion — is covered by the area of study called astrodynamics.

Once in orbit, the spacecraft was supposed to deploy a large sail, upon which photons from the Sun would push, thereby increasing the spacecraft's velocity ( the contributions from the solar wind are similar, but of much smaller magnitude ).

Once exposed, the spacecraft begins releasing an invisible, odorless gas into the atmosphere which gradually transforms people into beings similar to the aliens who populated the spacecraft.

Once the Jotok had taught the Kzinti how to use high-technology weapons and other devices ( including spacecraft ), the Kzin rebelled and made their former masters into slaves, as well as the occasional meal.

Once the Americans abandoned their Skylab station in 1974, the Apollo-Salyut concept seemed to be the logical choice, but since the Soviets had started to develop a universal docking adapter for the mission and feared having to publicly reveal details of their military-focused Salyut missions, the two powers opted to link a Soyuz spacecraft with an Apollo spacecraft.

Once docked, it marked the first time that three spacecraft were docked together.

Once the Orion reaches a safe distance from the ISS, the spacecraft will turn around so the main engine faces forward and fire its onboard Aerojet AJ-10 engine.

Once the Orion spacecraft docks with the landing module and the Earth Departure Stage ( EDS ), the EDS would then fire again and propel the Orion spacecraft to a nearby near-Earth asteroid where the crew would then land and explore its surface.

Once their task is completed, the Orion spacecraft will then depart from the asteroid and, upon reaching the vicinity of Earth, would jettison both the service module and the landing module in a manner similar to that of Apollo 13 ( i. e. separating the service module before the landing module ) before entering the atmosphere for a Pacific Ocean splashdown.

Once the Earth Return Vehicle lands it is planned to use an onboard Sabatier reactor in order to create liquid oxygen and methane fuel for the return trip ; a second spacecraft, carrying the crew, would follow after.

Once the two spacecraft were locked together, the docking ring on the Orbiter Docking System retracted, and a series of hooks and latches were engaged to ensure an airtight seal between the two spacecraft.

Once the nucleosynthesis process arrives at iron-56, the continuation of this process consumes energy ( the addition of fragments to nuclei releases less energy than required to break them off the parent nuclei ).

Once Jim's best friend and mechanic, Gunner Morris ( Spencer Tracy ), arrives reminding Jim about flying, he ignores Ann.

Once the expedition arrives, David and Mark go diving to collect fossils from the lagoon floor.

Once the lion is encountered, the pack attempts to hold the lion at bay until the hunting party arrives to dispatch the lion.

Once his son arrives, John reveals to the hostages his intention to commit suicide so his heart can be used to save his son.

Once the player arrives near the destination, they must stop within a specified zone.

Once he arrives at Hampton, he spends most of his time making over his aunt

Once it arrives at the target sector, it travels to the designated asteroid and builds the base.

Once she arrives, they start treating her like a doll, trying to make her over, pulling at her clothes and attempting to cut her hair.

Once the infant Nathan arrives in the future, Askani clones the baby, hoping to salvage something if he dies.

Once morning arrives, the twins set about town, repeatedly announcing their plans to everyone who will listen.

Once he arrives at the lavish premiere, the producers reveal their powers of " final cut " and snare him in a guillotine and decapitates him, much to his delight.

Once she arrives, she speaks to one of Lamont's opponents about Alex's dreams and understands him even more afterwards.

Once the doctor arrives at an estimate, he or she typically shows the patient lenses of progressively higher or weaker powers in a process known as refraction or refractometry.

Once he arrives at the " award ceremony ", however, he discovers that he has misunderstood the meaning of the word " special.

Once Skuttlebutt arrives on Earth, Bill easily defeats an approaching S. H. I. E. L. D.

Once the Enterprise arrives at Eden, a planet inside Romulan territory, Sevrin and his followers steal the Galileo II shuttlecraft and head down to the planet.

Once she arrives, Marge discovers that the town is in ruins, and that those still living there deny that they ever had a monorail, despite the fact that the town is covered in advertisements for it.

Once the Pigmask Army arrives, they begin building many other facilities around the island.

Once the Dalai Lama arrives at his new residence, he unpacks his telescope and steps outside.

Once Saizou arrives in the virtual city, Kohei comes to the conclusion that he was never their biological father.

Once a train arrives at that station, the conductor steps off and throws the switch to allow the train to back into the roundhouse.

Once Webster is dead, a government official named Lemaitre arrives and probes any conversation between Ian and the dead man.

Once she arrives, Lucy meets and befriends a variety of eccentric locals who were companions of her mother, and begins to form relationships and connections with each of them.