DeepTrip:
I can't determine whether to take naturalist, Search and Recovery, or Wreck. Can anyone give suggestion? Is the wreck training includes introduction for penetration?
You do need to take three as electives, and you mentioned three?
The wreck dive for aow shouldn't have any penetration,
but should be more of an overview of what to look out for
and what's to come if you do the entire specialty.
I personally liked taking search and recovery,
I took the entire specialty and got a lot out of it.
But something to think about...
When i took it a couple of aow students did the first dive of the course with me, counting it as their aow dive. Well, they had just did their ow checkout dives that same weekend, (an entirely different contoversy, whether aow should immediately follow ow), and they really didn't get much out of it. They're buoyancy was way off, silted the whole place out, couldn't use a compass, couldn't count kick cycles, etc. The instructor actually did an additional dive with me later, at my request, because i didn't think it right to count that one. Thx.
I guess my point is you should you should size up your skills,
as well as determine what things you will want to be doing
as a diver going forward.