Here are some designed for landing craft
http://misc.kitreview.com/shipreviews/lcvpcrewpreviewbg_1.htm
Can't find them listed on H&G's site but then took me a while to find the U-boat crews.
and Milicast also has a set
http://www.milicast.com/photos/outsize/FIG70-D.jpg
While these guys are all at combat stations (helmets, not hats) at least they are in the right uniform.