Ukraine President Volodymyr Zelenskiy and other officials have asked international partners for more to protect Ukraine's skies, but air defence systems are limited in availability and other nations are keen to bolster their defences amid perceived threats from Russia.

Thus far, only Russia, the US, China, and possibly North Korea had the capability of launching long range ballistic missiles from rail-based platforms. India now joins this club.

Iran has likely carried out an undeclared missile test at its Imam Khomeini Spaceport, according to satellite photos analyzed by The Associated Press.

Even with dozens or hundreds of sensor satellites in orbit to spot incoming weapons, U.S. military leaders say defending against the most advanced missile threats will require capabilities to disrupt these attacks “left of launch.

The National Museum of the US Air Force features a Minuteman II missile procedures trainer where crews practiced for doomsday scenarios.