I found an answer to the Naval Engineers here.

<r> Hi everyone. I've been playing since mid last week and have found a couple units that I can't figure out. I guess I just haven't played far enough to see things...<br/>
<U><s>[u]</s>Naval Engineers<e>[/u]</e></U> - When you take Norfolk one of these appears, but what good are they? Did I miss a ...

Yeah, just remember that you need to keep a positive "balance" in money and war supplies for your industrial investments to continue unabated. This is also the "best results" method the manual talks about, not hopping around from state to state.

Jim, will the transports "count" towards the blockade count or are they considered non-combatants?
I would definitely send them if the supply situation wouldn't let them stay on station long. This is one aspect I have yet to play around with much- looking forward to it.
Thanks.

<r> Hello all. Good discussion on learning the basics with the Union. AACW has taken up most of my play time for the past three days and it seems the toughest part to get used to is just how "grand" the grand scale of the war is (in the game of course). SO many choices and about the only way to deal ...