Information about stealth technology, for example, often requires such access.
His work there consisted of what is now known as stealth technology.
"Stealth marine technology is critical to the country," he said.
And it clearly represents the ultimate in stealth technology as well.
One of his assignments was to assess early work on stealth technology.
The details of the Stealth technologies are among the best kept secrets in the military.
Some major principles of stealth technology were well understood from the outset.
The principal reason for the change is to use stealth technology to make aircraft more difficult to detect.
After all, what other nation had both the stealth technology and the platforms to be able to conduct such attacks?
The success of Have Blue led the government to increase funding for stealth technology.