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The story behind the ESnet logo!
ESnet was intended to facilitate scientific collaboration between five major Office of Energy Research Programs:
Applied Math Sciences
Basic Energy Sciences
Health and Environmental Research
High-Energy and Nuclear Physics
Fusion Energy
This initial interlinking of sites was long before the popularity of the present day Internet. Our first data connections were in 1976.

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about our history

Our mission has expanded ...
Now, ESnet supports the original five programs and inter-agency collaboration and even foreign country access! So add to the five programs:
Defense Programs
Human Resources
Inter-agency collaboration
International collaboration