444,575SCORE 8,748NATIONS 154,303NUKES 279,933SHIELD 426,984PRODUCTION 0TARGETS 0LAUNCHES 462,359INTERCEPTS 579,348STRIKES 0TARGETED 0INCOMING 134,773RADIATION
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.