The LSST primary/tertiary mirror (M1M3) shipping container was successfully delivered to the University of Arizona Steward Observatory Mirror Lab (SOML) Thursday morning. Escorted by four Tucson Police Department cars and two pilot vehicles, the 30 foot by 30 foot oversized load departed CAID Industries' facility near Tucson International Airport at 4 am. Offloading at SOML was completed by 5:30 am. Once final acceptance testing of M1M3 has been completed, the mirror will be placed in the 36 ton shipping container, which was custom-built for LSST by CAID, and stored locally in Tucson. After final integrated testing, the mirror will be shipped in the container to the Cerro Pachon summit facility in Chile.