Iran unveiled a new underground missile depot on Tuesday with state television showing Emad precision-guided missiles in store which the United States says can take a nuclear warhead and violate a 2010 U.N. Security Council resolution.

The defiant move to publicize Iran’s missile program seemed certain to irk the United States as it plans to dismantle nearly all sanctions on Iran under a breakthrough nuclear agreement.

Tasnim news agency and state television video said the underground facility, situated in mountains and run by Iran’s Revolutionary Guards, was inaugurated by the speaker of parliament, Ali Larijani. Release of one-minute video followed footage of another underground missile depot last October. […]