Hello, my father is planning on traveling to Viet Nam from 08/04- 08/25, and will be entering through Tan San Nhat Airport. We try to obtain legal document to go to Viet Nam and re enter in the United States and his passport is going to expire on Jan 2010. Will you be able to process the Visa on arrival to Viet Nam and from Viet Nam to the United States? Please also quote the fee as there will be 2 travelers. Please reply. Thanks.