Carmine John “Sean” Del Grosso, 80, a retired Marine Corps Colonel, brave
warrior, dedicated scholar, untiring statesman who served as the first Marine
Officer to be assigned to U.S. Embassy, Beijing, as the Naval Attache, died May
24, 2022, in his San Clemente, California, home surrounded by loved ones.
Col. Del Grosso was known for his Sino-Soviet expertise, deep Catholic faith,
being a rabid fan of the New York Yankees, innate charm and quick Irish wit.
Career highlights include first Marine Officer to serve as a U.S. Naval Attache to
the People’s Republic of China; attended Naval War College, Washington DC;
and eventually served as Commanding Officer of the distinguished Marine
Security Guard Battalion (Dept of State), responsible for diplomatic security at
143 U.S. embassies and consulates worldwide. Find complete obituary at
Carmine DelGrosso’s Obituary on Legacy.com.
A decorated warrior, he served three tours in Vietnam and was the recipient of
The Legion of Merit, 3 Bronze Stars for Valor, 2 Defense Meritorious Service
Medals, Joint Service Commendation Medal, 2 Navy Commendation Medals,
Navy Achievement Medal, Combat Action Ribbon and other personal allied
decorations, to include The Republic of Vietnam Honor Medal.
Upon retirement in 1989, he moved his family to San Clemente. Col. Del Grosso
served as a Regional Director, Business Development, international aerospace
sales and marketing with McDonnell-Douglas and The Boeing Company,
Integrated Defense Systems, Asia, Africa, Middle East and The Americas. He
retired again in 2004.
Col. Del Grosso was born in the Bronx, New York City, son of Sebastian and
Josephine Del Grosso. He was commissioned an Officer in the USMC upon
graduation from Fordham University with a B.A degree in Political Science
(1963). He held an M.A. degree in International Relations (1977) and a M. Phil.
In Modern Far East History (1980) from The George Washington University,
Col. Del Grosso was preceded in death by his parents and brother Robert Del
Grosso. Survivors include his wife of 42 years, Helen Del Grosso of San Clemente, son Carson Holmes of Longmont, CO, 2 daughters:
Heather Holmes of San Clemente and Crystal Kaplan of Vienna, VA. He is also
survived by five grandchildren.
Funeral services will be held at the Old Post Chapel at Ft Myers at 8:00 am on
Monday, March 27. Burial, with full military honors, will follow at Arlington
National Cemetery at 8:45 am. In lieu of flowers, donations should be made to
Wounded Warrior Project (support.woundedwarriorproject.org).
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