Complex sentence: This was the same task as when they flew the A- 10, although the transition to the F-16 meant a huge change in the overall execution of this mission when comparing the A- 10 with the F-16.
Split into simpler sentences: This was the same task as when they flew the A- 10. Although the transition to the F-16 meant a huge change in the overall execution of this mission when comparing the A- 10 with the F-16.