Access the Development screen at the Research Center, under the Special category. Acquire components through exploration, or from merchants on the Nexus.
Talk to Liam after Jaal has joined the Tempest crew to acquire this mission.
Build Liam's research project Edit
You will automatically receive Liam's Armor Requisition Blueprint after the conversation. It requires 10 Aluminum and 10 Iron to create.
Talk to Liam in his room on the Tempest Edit
Go to Liam's room. After the cutscene, the mission is marked completed.