18,629SCORE 219NATIONS 892NUKES 1,349SHIELD 4,371PRODUCTION 0TARGETS 0LAUNCHES 33,505STRIKES 0TARGETED 0INCOMING 14,876RADIATION
Shield can be used to knock out Incoming Nukes. You can shoot down any in-flight Nukes regardless of who they are aimed at.
Locate in-flight nukes under Launches or Incoming, and use the DESTROY button to eliminate them. This consumes 1 Shield per Nuke.