I recently read a book that should be interesting for Mikke and the other “shooters”.
Charles W. Henderson - Marine Sniper
The real story of Carlos Hathcock, 93 confirmed kills in Vietnam.
A rough account about what does it mean being a sniper, and what is worth for.
Here you can read the first pages of the book:
Related to this issue I suggest you to have also a look at this, as it is a very similar situation to that described in the above mentioned book:
http://www.usatoday.com/news/world/iraq/2006-07-29-iraq-sniper_x.htm