 In 1895, Bruce joined Albert F. Mummery and Collie in their attempt on Nanga Parbat, but he had to leave early because his army leave was up.In 1906–1907, he and Longstaff took another troop of Gurkhas to the Nanda Devi group, visiting Dunagiri and Kanchenjunga, and climbing Trisul.In 1915, Bruce went to Gallipoli, in command of the 1st Battalion the 6th Gurkha Rifles.