Transporter Truck The 257th Transportation Company from Las Vegas and Tucson, Ariz., supports a National Training Center at Fort Irwin, Calif., with M1070A1 heavy equipment transporter trucks in April and May 2015. SHARE IMAGE: Download Image: Full Size (4.67 MB) Photo By: Army Maj. Gregg Moore VIRIN: 150430-A-AU937-693.JPG Photo Gallery