Here is some information. Please copy and paste links in your web browser.
Also found some pic of D 2/501 below
Foot Bridge into Phuoc yEN 1968
Dear Mr. Hobbs,
Thank you for posting your request on History Hub!
We have searched the National Archives online catalog and located the Infantry Unit Records, 1965 - 1973 in the Records of the U.S. Forces in Southeast Asia (Record Group 472) that include S-3 Daily Journals of the 2/501st Infantry Regiment for 1968 in Boxes 1045 - 1050. We were unable to locate specific records of Company E. Records of lower echelon units sometimes were incorporated into the files of the battalion or regiment.
We also located 78 series pertaining to 101st Airborne Division during the 1960s in Record Group 472. These series include organizational history, unit commendations, daily journals, situation reports, intelligence summaries, and general orders.
For access to these records, please contact the National Archives at College Park - Textual Reference (RDT2) at firstname.lastname@example.org.
We also suggest that you request a copy of your Official Military Personnel File (OMPF). OMPFs and individual medical reports for those who served in the U.S. Armed Forces during the Vietnam War are in the custody of NARA's National Personnel Records Center in St. Louis. In many cases where Army and Air Force personnel records were destroyed in the 1973 fire, proof of service can be provided from other records such as morning reports, payrolls, and military orders, and a certificate of military service will be issued. Navy and Marine Corps OMPFs were not affected by the fire. Please complete a GSA Standard Form 180 and mail it to NARA's National Personnel Records Center, (Military Personnel Records), 1 Archives Drive, St. Louis, MO 63138-1002. Veterans and their next of kin also may use eVetRecs to request records. See eVetRecs Help for instructions. For more information see Request Military Service Records.
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For information on how to apply for the Purple Heart, please contact the U.S. Army Human Resources Command at Fort Knox via their website at USAHRC.
We hope this is helpful. Best of luck with your research!