 Complete the following phrase:  In 1921, the 3124th DCO Baluchistan Infantry was disbanded, while the remaining two battalions were grouped with four other Baluch battalions: 126th Baluchistan Infantry, 127th Queen Marys Own Baluch Light Infantry, 129th Duke of Connaughts Own Baluchis and the 130th King Georges Own Baluchis Jacobs Rifles, to form the 10th Baluch Regiment in 1922. The 1124th DCO Baluchistan Infantry became the 1st Battalion and 2124th DCO Baluchistan Infantry the 10th Training Battalion of the new regiment. During the Second World War, 110th Baluch DCO served in Iran, 