I leave today for George Fox University and my Viva. The viva, or viva voce, is an oral examination aimed at establishing that the content of my doctoral thesis was written by me and that it meets a minimum standard.
I think my dissertation has been properly supervised, so failing shouldn't be an option. But I may have to make amendments to my dissertation before final submission on 1st April, and there is always the (outside) chance that I might be told to submit it later and defer graduation by 6 months.
This is a whirlwind trip, I get to Portland same day I leave, on the tuesday 14th, go to bed, get up on 15th Go straight to my Viva, then straight back to the airport and get home thursday 16th.