My Grandfather, Leroy Bottom was in the 818 engineering division. I have his WWII suitcase filled with photos, maps and even names and addresses at my home now as I am working on archiving and preserving these items. My grandad worked on building bridges and landing strips for allied aircraft, many times across enemy lines. He was gone for 3 years 3 months and 3 days according to my grandmother, who is now deceased as well. I would be happy to talk with you about this more, but I do see that this post was made over 4 years ago.