As the US weighs up action against Iran, attention is focusing on the type of weapon America could use to destroy nuclear facilities there. Sky's Defence and Security analyst Professor Michael Clarke looks what military hardware could be involved and where in the world what's required is currently based. #skynews #iran #military #worldnews #israel #donaldtrump #unitedstates Latest updates: https://news.sky.com/story/israel-iran-live-trump-tehran-tel-aviv-netanyahu-nulear-latest-13382979