 Complete the following phrase:  The 1st Isle of Wight Rifle Volunteers, later the 8th Isle of Wight, Princess Beatrices Own Battalion, Hampshire Regiment, but known informally as the Isle of Wight Rifles, was an auxiliary unit of the British Army formed to defend the Isle of Wight after a mid-19th Century invasion scare. During World War I it fought in the Gallipoli Campaign, taking part in the calamitous attack at 