There is a complementary land based system for detecting ballistic missiles. It's more limited in coverage and also has more-or-less the same blind spot: not mu

There is a complementary land based system for detecting ballistic missiles. It's more limited in coverage and also has more-or-less the same blind spot: not much coverage of missiles launching from directly south of CONUS. https://en.wikipedia.org/wiki/Solid_State_Phased_Array_Radar_System https://en.wikipedia.org/wiki/Solid_State_Phased_Array_Radar...