According to press reports, the Russian Black Fleet has played a major part in the Russian invasion of Georgia.
This fleet is headquartered out of Sevastopol, Ukraine (callsign RCV). According to Fritz Nusser's Fascinating Shortwaves website -- RCV uses the collective callsigns RKZ, RLO, RIP90, RBE86 and others for its fleet or for a certain task force.
The major communications mode monitored from RCV is CW on the following frequencies:
4055.0 4755.0 5009.0 5224.0 5300.5 5312.0 5441.0 5775.0 5855.0 6298.0 6325.0 6912.0 7422.0 7566.0 7568.0 8014.0 10201.0 11688.0 12816.0 kHz
MPSK transmissions from RCV have also been monitored on 5312.0 kHz.
CW message traffic on 10201.0 kHz has been monitored in the last 24 hours.
You can see more information on the Russian Navy on Fritz's website at:
http://www.astrosol.ch/networksofthecisforces/navymorsenetworks/thenavyheadquarters/index.html