Which location is identified as the center for the Air Force DFAS?

The center for the Air Force Defense Finance and Accounting Service (DFAS) is indeed located in Denver, Colorado. This facility plays a crucial role in managing financial transactions and services for the Air Force, including pay and accounting operations. Denver was chosen as the main hub due to its established infrastructure and resources dedicated to military financial management.

Each of the other locations mentioned holds significance in different contexts but does not serve as the primary DFAS center for the Air Force. Kansas City and Topeka, for instance, may host various military operations or financial offices, but they do not fulfill the same centralized role as Denver. Washington, D.C., while the political capital and home to various defense and military offices, does not house the Air Force's main DFAS operations. This distinction underscores why Denver is highlighted as the correct answer in this context.