A couple of weeks ago, ground teams at NASA's Kennedy Space Center in Florida removed one of the four main engines from the Space Launch System rocket slated to send four astronauts on a voyage around the Moon next year.

NASA officials ordered the removal of one of the massive rocket's RS-25 main engines after discovering a hydraulic leak on the engine's main oxidizer valve actuator, which controls the flow of super-cold liquid oxygen propellant into the engine's main combustion chamber, an agency spokesperson told Ars.

In its place, technicians installed another RS-25 engine from NASA's inventory to the bottom of the rocket's core stage, which is standing vertical on its mobile launch platform inside the cavernous Vehicle Assembly Building at Kennedy. Teams began integrating the replacement engine with the rocket last Friday and are in the process of firmly securing it in the Engine 4 position on the core stage, the NASA spokesperson said.

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A couple of weeks ago, ground teams at NASA's Kennedy Space Center in Florida removed one of the four main engines from the Space Launch System rocket slated to send four astronauts on a voyage around the Moon next year.

NASA officials ordered the removal of one of the massive rocket's RS-25 main engines after discovering a hydraulic leak on the engine's main oxidizer valve actuator, which controls the flow of super-cold liquid oxygen propellant into the engine's main combustion chamber, an agency spokesperson told Ars.

In its place, technicians installed another RS-25 engine from NASA's inventory to the bottom of the rocket's core stage, which is standing vertical on its mobile launch platform inside the cavernous Vehicle Assembly Building at Kennedy. Teams began integrating the replacement engine with the rocket last Friday and are in the process of firmly securing it in the Engine 4 position on the core stage, the NASA spokesperson said.

Read full article

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A couple of weeks ago, ground teams at NASA's Kennedy Space Center in Florida removed one of the four main engines from the Space Launch System rocket slated to send four astronauts on a voyage around the Moon next year.

NASA officials ordered the removal of one of the massive rocket's RS-25 main engines after discovering a hydraulic leak on the engine's main oxidizer valve actuator, which controls the flow of super-cold liquid oxygen propellant into the engine's main combustion chamber, an agency spokesperson told Ars.

In its place, technicians installed another RS-25 engine from NASA's inventory to the bottom of the rocket's core stage, which is standing vertical on its mobile launch platform inside the cavernous Vehicle Assembly Building at Kennedy. Teams began integrating the replacement engine with the rocket last Friday and are in the process of firmly securing it in the Engine 4 position on the core stage, the NASA spokesperson said.

Read full article

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