Exhibit 16

July 1, 2004

Securities and Exchange Commission

450 Fifth Street, N.W.

Washington, D.C. 20549

Commissioners:

We have read the statements made by Telos Corporation (copy attached), which we understand will be filed with the Commission, pursuant to Item 4 of Form 8-K, as part of the Company’s Form 8-K report dated June 25, 2004. We agree with the statements concerning our Firm in such Form 8-K.

Very truly yours,

PricewaterhouseCoopers LLP