This is not required on lower difficulties. On Hard Mode, you need to A+-Rank Node D consisting of 2 Supply Depot Hime, Artillery Imps and PT Imps each. Set up your Ships with the according equipment to deal with them as outlined [[Anti-Installation#Equipment_Setups|here]]. PT Imps are weak to AA Guns + Skilled Lookouts on your DDs.
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This is not required on lower difficulties. On Hard Mode, you need to A+-Rank Node D consisting of up to 3 Supply Depot Hime, 1-2 Artillery Imps and 2 PT Imps. Set up your Ships with the according equipment to deal with them as outlined [[Anti-Installation#Equipment_Setups|here]]. PT Imps are weak to AA Guns + Skilled Lookouts on your DDs.