Recruit Shield Requisition
This can be purchased from Commander Roxy,located in Deep Space 9, for 1 Common Borg Shield Tech or 20 Encrypted Data Chips.
To redeem this,talk to the M.A.C.O Commando located in Deep Space 9. Choose Requisition Mark X Equipment and go to Special Reserve. You will be able to choose from M.A.C.O. Resilient Shield Array Mk X and Omega Force Shield Array Mk X.