Q. Where can I find information about U.S. Naval officers?

In the Library's online catalog:

• Perform a Subject Keyword search (individual searches for navy and marine corps):
  united states nav* registers;
  united states "marine corps" registers
• Perform a Subject Keyword search: united states navy biographies dictionaries
• Perform a Subject Alphabetical Search (under Advanced Search) and type the individual's last name followed by his first name

Useful Web pages:

• Famous American Naval Officers, 1794-1815: A Select Reading List:  http://www.history.navy.mil/faqs/faq74-1.htm
• Biographies in Naval History: http://www.history.navy.mil/bios/bios.htm
• Naval Personnel: A Research Guide: http://www.history.navy.mil/library/guides/navy_personnel.htm

To locate an individual who served in the Navy or Marine Corps and is not generally known:
Access to Official Military Personnel Files (OMPF) - for Veterans and Next-of-Kin: 
http://www.archives.gov/st-louis/military-personnel/public/