Complex sentence: An Andar Ghilzay Pashtun from Zurmula in Paktia, Watanjar trained as a tank officer in the Soviet Union following his graduated from the Military Academy in Kabul.
Split into simpler sentences: An Andar Ghilzay Pashtun from Zurmula in Paktia. However, he was trained as a tank officer in the Soviet Union after he had graduated from the Military Academy in Kabul.