Iron Wood Support

 is an assembled item used in missions and commissions.

Obtaining
The  can be crafted using the Assembly Station after the player receives its diagram when accepting said mission on the Commission Board during the mission South Block Development.

Alternatively, the diagram can be bought from the Research Center Exchange for 14 Data Discs after the mission.

Mission
The  can be used during the course of the following missions:
 * Two are required for one of the South Block Development commissions
 * Two are required for building Road to the Marsh if the player chooses the western route

Commission
is occasionally requested on the Commissions Board in a Rank A or SS commission.