Here's a couple of nicely written articles on the Tacticle Gamer site relating to GR tactics.
Observation and Scanning Terrain
http://www.xlii.com/showthread.php?s=b9 ... 8bdfc&t=85
Fire and Movement
http://www.xlii.com/showthread.php?s=b9 ... 8bdfc&t=84
Ghost Recon Tactics
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