Complex sentence: The program began alongside the AMSP in 1984 as the Advanced Operational Studies Fellowship (AOSF) by diverting lieutenant colonel War College selectees to Fort Leavenworth for an equivalent education program; these officers remained for a second year to help instruct AMSP students.
Split into simpler sentences: The program began alongside the AMSP in 1984 as the Advanced Operational Studies Fellowship (AOSF) by diverting lieutenant colonel War College selectees to Fort Leavenworth for an equivalent education program. These officers remained for a second year to help instruct AMSP students.