Cargo Barges are used to shuttle items to and from worlds where landing a starship would be inadvisable. Such locations represent extremely rare occurrences and Cargo Barges should therefore only be constructed on special vessels designed for rare or unusually hazardous situations. They are not necessary for standard cargo-hauling duties.
2,400 Steel
600 Electronics
600 tons
Already learned - your empire starts with this technology.
Content contributed by Tom Carey.