Complex sentence: Starting in October 2010, the Sergeants Major Academy developed and delivered level I of Structured Self-Development (SSD) where every soldier graduating from advanced individual training is automatically enrolled and must complete to be eligible for attendance to the Warrior leader Course.
Split into simpler sentences: Starting in October 2010, the Sergeants Major Academy developed and delivered level I of Structured Self-Development (SSD). Every soldier graduating from Advanced Individual Training is automatically enrolled and must complete level 1 to meet eligibility requirements for the Warrior leader Course.