What they were doing was highly classified and there is no record of it.

The mission on which Sam gave his life is highly classified.

And the details of your new job are highly classified.

I hardly need tell you that this information is highly classified.

Yet the program, which until last year was highly classified, has apparently suffered from major financial problems.

The following is highly classified, but you need to know.

More specific details of the test have not been released because the program remains highly classified.

Based on the most sensitive data, the competitive analysis is highly classified.

What I am about to tell you is highly classified.

However, the present state of the art is highly classified.

Their suits contend that their illnesses were caused by their work, specifically, they say, by exposure to chemicals critical to the manufacture of the plant's highly classified research and development projects.

Rupert Allason pointed out valuable activities such as talent-spotting and finding people that did have highly classified access.

Formerly highly classified government documents published after the dissolution of the Soviet Union demonstrate that the authorities used psychiatry as a tool to suppress dissent.

But that was not all: the M455MPP was the first computer to employ a new, highly classified form of data analysis known as Stutterlogic.

His sitting room had been turned into a state-of-the-art computer laboratory, including some highly classified equipment, which was there mainly because it suited Charles Ferguson.

It was a highly classified government investigation.

Both he and Ms. Squillacote also had access to highly classified materials in their jobs.

These highly classified programs were undertaken with little debate and almost no publicity.

Anyone working on their project had security clearance allowing access to highly classified materials; there wasn't anything hidden among them, unless a scientist was working on an unauthorized, even illegal, project.

He refused to give details, citing the program's highly classified nature.