In December 2015, a Polish deputy minister mentioned plans to join the North Atlantic Treaty Organization's nuclear sharing program. This would mean that Poland would be allowed to keep American nukes in case of war. Although only 5 countries are allowed to possess nuclear weapons, they are actually stored in more than a dozen countries. So, where are the world's nuclear weapons? According to a 2015 report by nuclear policy analysts there exist approximately 16,000 nuclear weapons, spread out across 98 sites in 14 countries. The United States has 7,200 warheads to its name. But not all of those are on U.S. soil. A good number are actually hosted by friendly European countries, including Belgium, Germany, Italy, the Netherlands and Turkey. In total, there are 180 weapons spread throughout these countries, stored in underground vaults, accessible by the US, or with their permission. This practice of placing nuclear weapons around the world is known as "nuclear sharing". So, what's the