As Iran remains undeterred by President Donald Trump’s calls for surrender in its conflict with Israel, the president is considering using a “bunker-buster” bomb to take out a critical Iranian nuclear facility.

President Trump could choose to join Israel's efforts to bomb Iran's Fordo nuclear site with U.S. B-2 Spirit Bombers. Retired U.S. Army Lieutenant Colonel Charlie Faint has more on the potential operation and the weapons needed.