Iran could make enough fissile for one nuclear bomb in “about 12 days,” a top US Defense Department official said on February 28. “Iran’s nuclear progress since we left the JCPOA has been remarkable. Back in 2018, when the previous administration decided to leave the JCPOA it would have taken Iran about 12 months to produce one bomb’s worth of fissile material. Now it would take about 12 days,” Under Secretary of Defense for Policy Colin Kahl said during a House of Representatives hearing.