The Persian Gulf Campaign, in 1809, was an operation by a British Royal Navy to force the Al Qasimi to cease their raids on British ships in the Persian Gulf, particularly on the Persian and Arab coasts of the Straits of Hormuz. The operation's success was limited as the Royal Navy forces, already heavily involved in the Napoleonic Wars, were unable to permanently suppress the strong fleets of the Al Qasimi of Ras Al Khaimah and Sharjah. The expedition did achieve its short-term goals by destroying three Al Qasimi bases and over 80 vessels, including the largest Al Qasimi ship in the region, the converted merchant ship Minerva. Although operations continued into 1810, the British were unable to destroy every Al Qasimi vessel and by 1811 attacks had resumed, although at a lower intensity th