Nope. It's
Frankenbooster, a proposal to get a family of heavy-lift boosters operational fast by reusing Space Shuttle parts. The low-end configuration mates three SSMEs to a Shuttle external tank, straps two Shuttle solid boosters on each side, and puts a payload capsule atop the tank to lift 70 tons to orbit. Other proposed configurations lift 100 or 130 tons.
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