2006 Q1 — Dallas, Texas — Photos

An AT&T NDR technology trailer arriving at the staging area
for the Dallas, TX recovery exercise. February 7, 2006.

An NDR command center pulling into the staging area for the
Dallas, TX recovery exercise. February 7, 2006.

Recovery trailer positioning at the Dallas, TX recovery exercise
site on February 8, 2006. The trailers are positioned following a
site plan that allows them to be interconnected efficiently.

Backing a technology trailer into position at the Dallas, TX recovery
exercise site on February 8, 2006.

NDR Operations team members connecting power cables between
trailers at the Dallas, TX exercise site on February 8, 2006.

Connecting a power cable to a technology trailer at the Dallas, TX
exercise site on February 8, 2006.

Overview of the exercise site in Dallas, TX after all of the trailers
were in place on February 8, 2006.

NDR Operations team members running the first of the communications
cables between the recovery trailers at the Dallas, TX exercise site.
February 9, 2006.

Pulling T3 communications cables at the Dallas, TX recovery
exercise site on February 9, 2006. The technology trailers are
interconnected with fiber optic and electrical communications cables.

Turning up service in one of the technology trailers at the Dallas, TX
recovery exercise site on February 10, 2006.

Testing data paths through one of the technology trailers at the
Dallas, TX exercise site on February 11, 2006.

Overview of the exercise site from the Dallas, TX InfoMart on
February 11, 2006.

An NDR Emergency Communications Vehicle (ECV) at the
Dallas, TX recovery exercise on February 12. ECVs provide
the team with a data and voice communications channel at
any location in the United States.

On February 13, 2006, NDR's Special Operations team held
a one-day exercise at a small AT&T office outside of Dallas.
The team practiced a building entry as it would if an office
were contaminated by a hazardous chemical or biological agent.

NDR Special Operations Team members preparing to enter
the simulated hot (contaminated) zone during the
February 13, 2006 drill.

Following customer tours on February 15, 2006, the team
began to break down the site and prepare the trailers for departure.

An NDR Operations Team member removing power cables
during site breakdown on Wednesday afternoon, February 15, 2006.

NDR recovery trailers leaving the exercise site on Thursday
morning, February 16, 2006. The trailers travel in small groups
escorted by NDR team members.