A few nice photo search images I found:
goose step
Image by jenny downing
World Trade Center, New York City, New York, NYC, Urban Search and Rescue Working Dog Napping
Image by Beverly & Pack
World Trade Center, New York 9-21-2001
FEMA's Urban Search and Rescue teams search for survivors amongst the wreckage of the World Trade Center. Andrea Booher/FEMA
The Scoop, Dogs In The News article:
The World Trade Center's Heroic Rescue Dogs
Sailor trained on proper ground control and search techniques.
Image by Official U.S. Navy Imagery
GULF OF ADEN (April 25, 2011) Boatswain’s Mate 1st Class Michael Chatman, right, a member of the Force Protection Training Team, trains Ship's Serviceman Seaman Kristina Paul on proper ground control and search techniques during anti-terrorism and force protection training aboard the amphibious dock landing ship USS Comstock (LSD 45). Comstock is underway supporting maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 2nd Class Joseph M. Buliavac/Released) 110425-N-RC734-044