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starship-design: crew

I was thinking about crew distribution on a deacdes long interstellar
exploratory voyage for which the crew would not hibernate.  Medical and
mental health services would obviously need to be totally
self-contained.  Combatting boredom would be a major challenge during
the entire voyage except the exploration of the destination starsystem. 
maintaning excellent health would be imperitive during the entire
voyage, especially before arrival. 
        with that in mind, i worked up a crew distribution chart for a 
hypothetical crew with 1000 crewmen who are science, engineering,
command, maintanence, and other "mission related" types. the following
are the "auxillary" crew.  
8 surgeons, 15 nurses, 3 anesthetists
1 oncologist (cancer may be a greater risk in spaceflight due to
radiation, closed air systems, chemical exposure, etc.)
2 internists
2 dentists, 2 dental assistants
1 veterinarian (because of the benefits to morale, phyisical health, and
mental health, i favor having pets on board...comments anyone?)
20 psychologists/psychiatrists
5 excercise coaches
4 recreation specialists (this and the two above may be combined)
3 nutritionists/chefs, 3 sous chefs, 15 commies (frequent social dining
alternated with meals in quarters will boost morale)
3 barbers, 2 security guards, clergy as necessary. = total 1092
        The above list has errors, omissions, excesses, and big flaws. 
However, it is interesting to note that the "auxillary staff" increased
crew size by 9%.  Accounting for the positions i forgot may add another
few %.  Reducing the number of auxillary staff seems a worthwhile
activity, but on the other hand, certain positions (such as the doctors
and nurses) must be redundant because the cost of losing them is so
high.  One solution is to have the existing crew train others for their
position during the voyage.  this has the advantage of increasing
redundancy as well as relieving boredom a little. Prehaps other
solutions exist as well.
Nels Lindberg