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DDG-23 Launch Rail (Two)

Required sub-grid for the DDG-23 when building by hand. You have to use two distinct launch rails, but it doesn't matter which side of the launch bay they each go on.

When building the DDG-23 by hand, first adding the medium heads to both hinges, followed by a single conveyor frame and vertically oriented conveyor converter. Then add a projector to each side and project the first and second launch rail respectively and turn on the welders. You'll have to do a bit of welding by hand but most of it will be done for you by the missile bay welders.