Take a look at:
http://www.au.af.mil/au/holmcenter/CAPUSAF/safety.asp
There's a concise safety briefing/fact sheet for each month of the year. Looks to me like this would be a great source for all unit safety officers to use for the safety briefings.
RM
Looks like "the Sentinel" in different wraps, to me. If all the Safety Officer does is stand up and read the Sentinel every month.. it gets .. rather boring.