In January 1917 , they were converted to an infantry battalion .
In January 1917 , they were formed the 15th ( Suffolk Yeomanry ) Battalion , the Suffolk Regiment in the 74th ( Yeomanry ) Division , which moved to France in May 1918 .
In January 1917 , they were converted to an infantry battalion and formed the 15th ( Suffolk Yeomanry ) Battalion , the Suffolk Regiment in the 74th ( Yeomanry ) Division , which moved to France in May 1918 .