Marines to conduct Gregory Canyon exercise; environmentalists criticize plan to conduct training at old dairy

A U.S. Marine Emergency Response member removes a mock victim from a contaminated scene Wednesday during an exercise where a mock terrorist was able to smuggle a tanker truck loaded with chlorine gas on base and detonated it. <br><small><B> NICK MORRIS</B> For The North County Times </small> <br><A HREF="https://secure.townnews.com/nctimes.com/forms/photo_services/linkorder.php?des= Nick Morris For The North County Times / A U.S. Marine Emergency Response member removes a mock victim from a contaminated scene Wednesday during an exercise where a mock terrorist was able to smuggle a tanker truck loaded with chlorine gas on base and detonated it. " target="new">Order a copy of this photo</A> <!— <br><A HREF=" ">More of this story</A> —> <br> <A HREF="http://www.nctimes.com/news/photogallery/" target="new">Visit our Photo Gallery</A> <br> <hr width="250">