U.S. President Trump has declared a ceasefire between Israel and Iran, signaling a potential end to the missile exchanges. However, the whereabouts of Tehran's stockpile of near-weapons-grade enriched uranium continues to shroud the situation in mystery. Five days after the outbreak of the conflict, the International Atomic Energy Agency (IAEA) conceded that it had lost track of Iran's 409 kilograms of highly enriched uranium, an amount that, if weaponized, could yield as many as 10 nuclear warheads.