36,335SCORE 6,815NATIONS 133,361NUKES 114,620SHIELD 326,245PRODUCTION 0TARGETS 0LAUNCHES 710,140INTERCEPTS 203,810STRIKES 0TARGETED 0INCOMING 167,475RADIATION
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.