I came across this SlideShare presentation today via FedScoop and think it is worth sharing: The Navy recommends to use LinkedIn (I assume as opposed to Facebook) as a way to tell the story of the Navy in an online environment where professionals share information. They recognize that many thousands of professionals use LinkedIn as a place for their up-to-date online resumes. Moreover, Navy employees can join groups to discuss topics of interest, to learn from each other for professional development purposes or even search for new jobs.
A disclaimer reminds Navy employees to keep privacy and OPSEC in mind when interacting online.
Here is the full presentation: