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After multiple attempts to complete a critical fueling test of its next-generation Space Launch System, NASA has decided to finish the rocket’s “wet dress rehearsal” at a later date.

For Turkey's UFS satellite launcher, see Space Launch System (Turkey). The Space Launch System (abbreviated as SLS) is an American super heavy-lift expendable launch vehicle under development by NASA since 2011. As of April 2022, the first launch is scheduled for no earlier than August 2022, pending the success of a wet dress rehearsal test.

SLS is the only rocket capable of sending the Orion spacecraft, a capsule that sits atop the stack of boosters, to the moon and beyond. Think of the Orion capsule as the RV of the sky: It's not...

On 18 May 1998, the two squadrons merged into the 2nd SLS. The merged squadron was responsible for all launch operations at Vandenberg AFB. The reason for the merger was the similarity in missions performed by both units. It was inactivated after the last Titan IV launch. In June 2019 the 4th Space Launch Squadron and the 1st Air and Space Test ...

Chemical compound. Sodium laureth sulfate ( SLES ), an accepted contraction of sodium lauryl ether sulfate ( SLES ), also called sodium alkylethersulfate, is an anionic detergent and surfactant found in many personal care products ( soaps, shampoos, toothpaste, etc.) and for industrial uses. SLES is an inexpensive and very effective foaming agent.