Complex sentence: The younger son, Oswald Vick Hoad, enlisted in the Victorian militia in 1907 and transferred to permanent military forces in 1910; and he would ultimately retire from the Australian Army in 1946.
Split into simpler sentences: The younger son, Oswald Vick Hoad, enlisted in the Victorian militia in 1907 and transferred to permanent military forces in 1910. He would ultimately retire from the Australian Army in 1946.