Dear Mr. Arrington,
Thank you for posting your request on History Hub!
For access to U.S. Navy deck logs dated after 1983, please write to the Ships Deck Logs Section, Naval History & Heritage Command (NHHC), 805 Kidder Breese Street, SE, Washington Navy Yard, Washington, DC 20374-5060 or contact them via email at firstname.lastname@example.org. For more information see their web page Deck Log Access.
For operational unit records (including command chronologies) from 1988 to the present, we suggest that you contact the Marine Corps Archives & Special Collections, Alfred M. Gray Research Center, 2040 Broadway Street, Quantico, VA 22134. For Marine Corps muster rolls and unit diaries from 1981 to the present, please call (703) 784-3923 or (703) 432-0513 or write to the Headquarters, US Marine Corps (MMRP-11), Marine Corps History Division, 2008 Elliot Road, Quantico, VA 22134-5030. .
We hope this is helpful. Best of luck with your research!
I would also suggest checking out the inquiries page of the Marine Corps History Division here:
Navy deck logs may not show the embarkation of specific MEU units such as MSSG-22; however, the Marines may have documents that show the assignment of such units to the different ships within the Amphibious Ready Group (ARG).
Good luck with your research.