Final answer:
The National Institute of Standards and Technology (NIST) is responsible for the accreditation of industry standards relevant to the Air Force's cyberspace support equipment, ensuring security and reliability.
Step-by-step explanation:
The responsibility for civilian accreditation of the money industry standards used to develop cyberspace support equipment that the Air Force operates and maintains can be attributed to the National Institute of Standards and Technology (NIST), option (d). While ANSI (American National Standards Institute) and ISO (International Organization for Standardization) are both prominent organizations involved in standardization, it is NIST that works closely in alignment with federal entities to define and maintain standards, particularly those relevant to technology and cybersecurity which have direct implications on national defense. The Electronics Industry Components Association (EICA) is not the accrediting body for these standards. NIST's role in maintaining these standards is vital to ensuring the security and reliability of the Air Force's operations in cyberspace.