The Sea Dragon, a 490-foot behemoth, would have been built of inexpensive steel and launched from the sea, minimizing ground infrastructure.
North Korea's disguised rocket launchers. North Korea has sent rocket launchers disguised as civilian trucks to Russia to ...
"The Sea Dragon concept has been developed assuming that space transportation economy will result if launch vehicles are used that are very large, simple, and reusable, even if payload-to-liftoff ...