Complex sentence: The 355 FW also provides initial and recurrency flying training to all U.S. Air Force A/OA-10 and EC-130 pilots and crews; and is the ACC's executive agent for INF and START treaty compliance.
Split into simpler sentences: The 355 FW provides initial and recurrent training to all U.S. Air Force A- 10, OA-10 and EC-130 pilots and crews. The 355th is also the ACC's executive agent for INF and START treaty compliance.