Give Martin's tapes to DiMA is a quest objective in the mission Reformation in Fallout 4: Far Harbor.
Quest[edit]
Location[edit]
Walkthrough[edit]
Head back outside and then make your way back to Acadia. Approach DiMA and talk with him. You can then give him the Holotapes.
DiMA will suggest that you earn Tektus's trust first. You can do so by completing What Atom Requires, and showing him the Mother Icon.