77 Dodge Class C motorhome engine removal

Thought I had a good day....got shifter mounted on the floor....got transmission under the truck and got it bolted on to the back of the engine...as I am waiting for rear trans mount....but then...but then
as I walk towards my truck to leave for the day I see something.....the god dam flexplate....

laided under that truck today and never notice that the flex plate was missing...old age is wonderful....that a 1st for me...