-9SCORE 1NATIONS 0NUKES 0SHIELD 58PRODUCTION 0TARGETS 0LAUNCHES 0INTERCEPTS 0STRIKES 0TARGETED 0INCOMING 9RADIATION
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.