Later administration. And network operations have been supported by the U.S. National Science Foundation. Or use that name nsf (national science foundation).
Later, administration and operations, a network supported by the National Science Foundation, the United States education or use a short name that the NSF (National Science Foundation)
Later, the Management and operating the network is supported from the U.S. National Science Foundation to study or use the initials that NSF (National Science Foundation).