U-HAUL S FLEET, LLC, 2007 TM-1, LLC, 2007 DC-1, LLC, and 2007 EL-1, LLC, as Co- Issuers and U.S. BANK NATIONAL ASSOCIATION, as Trustee 2007-1 BOX TRUCK BASE INDENTURE Dated as of June 1, 2007 Box Truck Asset Backed Notes (Issuable in Series)