All standard US shipping will be processed with Australia Post while in Australia. Once your item has cleared customs and arrives in the US, it will be handled by USPS. You will then be able to track it with USPS using the tracking number provided.
We also offer an Express Post option with DHL Express. This premium service is highly recommended as DHL manage the delivery from end to end, including all customs clearance requirements. DHL also have their own aircraft, which allows them to deliver extremely quickly.