In XCOM: Enemy Unknown , "producing a piece" of equipment involves a multi-step pipeline requiring , Engineering , and Resource Management . Unlike conventional weapons that are always in stock, advanced alien-derived gear must be painstakingly unlocked and manufactured. 1. Research and Interrogations
: Recover weapon fragments, alien alloys, and elerium from mission sites. XCOM Enemy Unknown
Before you can build anything, your scientists must understand the technology. In XCOM: Enemy Unknown , "producing a piece"