It is a Cadillac STS sedan equipped with every possible option available on the STS, with the exception of the Platinum edition, which was an even more exclusive package that was added on top of the 1SG package, to raise the vehicle price, up very close to about $80,000.00 level, if the car was also an all wheel drive model.
It represents the tip of a sword or spear signifying that the 1SG is the top NCO in the company.
CSM or 1SG
If they are properly equipped with the factory towing package, it shouldn't be a problem
it merely denotes first sergeant status
It is located under the package tray (at the base of the rear window). You can gain access to it by climbing in the trunk.
Completion of NCO schools.
They are a BATTALION COMMAND SERGEANT MAJOR
The Cadillac CTS-V features a 6.0 L LS2 V8 engine, a 6-speed Tremec T56 manual transmission and 18x8.5 inch wheels. A high performance suspension package was also available as a dealer installed option.