The chilling moment an Iranian gunboat heads towards the Royal Navy's HMS Duncan. Who will back down first? Warship: Life At Sea: Documentary series exploring everyday life on board various ships in the Royal Navy fleet. #Channel5 #Documentary #Warships #LifeAtSea #WarshipLifeAtSea #HMSDuncan #RoyalNavy Subscribe and stay up to date with the latest shows, stories, and trailers from Channel 5. Search ‘Warship: Life At Sea’ on My5 to watch in full. Explore the latest Channel 5 documentaries, drama, and entertainment on My5 now: https://www.channel5.com/browse/Popular