information-sharing between geographically dispersed research facilities
Research facilities doing DOD research.
I'm not sure why it would matter that you worked for them in the early 90s.
The president of the company got Vint and Bob on board because he was their military liason at Darpa.
The project I worked on was partially funded by Darpa. We reported weekly updates to a Lt Colonel.
The Internet was originally by the military and for the military and only later handed off to universities.