Want 1951/52 military records of Seattle,WA  Pier 91 accident that mentions my Army husband, loading heavy equip. for Korea--he and several other soldiers suffered critical injuries during the process--hospitalized many months--NO MENTION OF THIS anywhere

He could send a FOIA to the VAFOIA Center, requesting his medical records. And list the service number, hospital and treatment dates, and sign the FOIA request. Unfortunately the FOIA receives a quicker reply.  The VA may be able to find records that have been stored in contract facilities over the decades? From my experience with the VA FOIA process for medical records from the 1980's, they responded stating that they have an approximate time frame of 2019 noted from the request in 2016. The VA also utilizes the e-Benefit site. You may also receive a response stating "no records found". Or you may receive no response at all? Many of the VA records are now in contract facilities which were underground mines and converted toward record storage.  I actually requested copies of my medical records, whereby they were unable to produce them. Fortunately, I found a complete set in the basement, that were not effected by water or mold damage! When the military tells you to obtain copies,  and keep copies of your records.  There's a reason. You can also check various newspaper articles, and check for microfilm of law enforcement, fire or emergency medical services that may have responded to the scene. If there were deaths, then the county coroner may have been notified.  If the accident occurred on a military reservation or port authority, the army provost marshal or naval master of arms would have been notified.

Army hospital records are kept at the National Archives and Recods Administration, National Personnel Records Center in St. Louis, MO. In order to request those records, you will need to know the name of the hospital in which your husband was treated, as well as the dates of treatment. The records may give you a brief description of what happened, at least as it pertains to your husband's injuries. The National Personnel Records Center also has Army morning reports. You need to know a date and your husband's unit in order to search them. If there is any information in the morning reports about the accident, it will be brief.  You may wish to contact the U.S. Army Center for Military History and see if they can help you locate more detailed information about the accident. Since it was on a Naval station, you could also try the Naval History and Heritage Command.