[Mittelwaechter]

Maybe of help...

Lorient

http://www.wlb-stuttgart.de/seekrieg...man-frames.htm
http://www.atlantikwall-frankreich.d...rient_main.htm
http://www.geschichteinchronologie.c...is-3-plan1.jpg

St.Nazaire

http://www.nexusboard.net/showthread...hreadid=296549
http://www.uboat-bases.com/ang/stnazaire.php
http://www.gearthhacks.com/dlfile238...oat-Bunker.htm
http://www.u552.com/saint_nazaire.htm
http://www.u-boote.fr/base_sn.htm

La Rochelle

http://fr.wikipedia.org/wiki/Base_so...de_La_Rochelle
http://www.explorate.de/Forum/showthread.php?t=16716
http://www.atlanticwall.polimi.it/mu...ventory_ID=110
http://francois.delboca.free.fr/fsbase1.html