Q: Context: The current Chief of Staff of the Air Force is General David L. Goldfein.

Question: who is the current chief of airforce staff? Let's give stream of consciousness first:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The relevant sentence in the passage is: The current Chief of Staff of the Air Force is General David L. Goldfein. Therefore, the final answer is General David L. Goldfein.