Dear Mr. Dale,
Thank you for posting your request on History Hub!
We searched the National Archives Catalog and located 2 series in the Records of U.S. Southern Command (Record Group 530) that may include records about Panama in 1972. For access to these records, please contact the National Archives at College Park - Textual Reference (RDT2) via email at email@example.com.
Records concerning Army watercraft are in the custody of the U.S. Army Transportation Museum, ATTN: Research Library, 300 Washington Boulevard, Besson Hall, Fort Eustis, VA 23604-5260. The telephone number is (757) 878-1115.
We hope this is helpful. Best of luck with your research!