Final answer:
A. S. Mike Monroney, an Oklahoma senator, supported state aviation projects and introduced the legislation creating the FAA, which is vital for U.S. aviation regulation and safety.
Step-by-step explanation:
The Oklahoma senator who supported state aviation projects in the Senate and is credited with introducing the legislation that created the Federal Aviation Administration (FAA) was A. S. Mike Monroney. He played a significant role in the development of the aviation industry in the United States and his efforts have had a lasting impact on the country's infrastructure and regulatory frameworks pertaining to air travel and safety.
The FAA is now a critical component of the United States Department of Transportation, responsible for the advancement, safety, and regulation of civil aviation.