Hello JOHNMCLAY... yes there is a Deniable Ops 3rd Echelon Map available for free at Gamespot.com. Just sign-up for a free account to receive your code... you must sign-up for an account or they won't give you a code. Here is a direct link to Gamespot Deniable Ops 3rd Echelon Map. By-the-way... If you are a real Splinter Cell Conviction enthusiast, then you must get the Deniable Ops Insurgency Pack... this pack has San Francisco, New Orleans, Utah and Portland maps... these are very cool maps... my favorite is New Orleans. Good luck.
Yes, how great are the Insurgency maps! I only realised that I could get them from ubisoft (as opposed to buying a Steam copy of Conviction and the maps) about 2 weeks ago and I've been having a great time of it! New Orleans is a great map...that one and Portland are my faourites!