The plutonium from dismantled cold war nuclear weapon stockpiles dried up in 2013. The plutonium from dismantled Cold War nuclear weapon stockpiles will be exhausted by 2013. Subsequently, the world's nuclear weapons stockpiles grew. The airstrikes targeted ISIL training locations and weapons stockpiles. Many nations possess vast stockpiles of weaponized agents in preparation for wartime use. Whether these weapons were raided from regime stockpiles or supplied via overseas is unknown. These tests left Canada with large stockpiles of chemical weapons. As of November 2018, 96.62% of the world's declared chemical weapons stockpiles had been destroyed. Little is known about the biological weapons stockpiles. As of 30 April 2019, 97% of the declared stockpiles of chemical weapons were destroyed. The story also shows the significance of the nuclear stockpiles held by various governments. As the war progressed, Germany's leather stockpiles dwindled. Anaconda was producing copper at such a rate they had tremendous stockpiles. There are many options available to states in destroying their stockpiles. This is a different method than the incineration that is used at the larger stockpiles.