Lieutenant Colonel Barret Bradstreet is a native of Boston, Massachusetts and entered active service with the Marines in 2002. After departing The Basic School at Quantico, Lieutenant Colonel Bradstreet reported to the Third Battalion, Fourth Marines at Twentynine Palms, California, in October 2003. He commanded a platoon in Kilo Company for deployment to Iraq in 2004, and again in 2005. Also in 2005, he served as special assistant to the Commanding General of Multi-National Security and Transition Command, Iraq, advising Iraqi Security Forces and civic leaders in five provinces in southern Iraq.
In 2006, Lieutenant Colonel Bradstreet joined the faculty of the U.S. Naval Academy History Department as an instructor of U.S. naval history and modern European history. He recruited, mentored, and trained aspiring Marine officers from the Brigade of Midshipmen. In August of 2009, Lieutenant Colonel Bradstreet reported to Princeton University to complete doctoral studies in international relations and Indian politics.
Lieutenant Colonel Bradstreet joined the First Battalion, Fourth Marines in July of 2011. He deployed with Battalion Landing Team 1/4 as Commanding Officer of Headquarters and Service Company and Maritime Raid Force Commander for the 31st Marine Expeditionary Unit in 2011. He served as Commanding Officer of Weapons Company and then deployed in 2013 as Battalion Landing Team Operations Officer for the 13th Marine Expeditionary Unit.
He assumed command of Recruiting Station Phoenix in June 2014. For the next three years, he oversaw the recruitment, preparation, and processing for enlistment and commissioning of over 2,000 young men and women from the state of Arizona into the United States Marine Corps. In July 2017, he joined the French École Militaire in Paris and completed studies as an exchange officer at the École de Guerre. In July of 2019, he reported to I Marine Expeditionary Force to assume duties as leader of the Expeditionary Operations Cell of the Future Operations section. In June of 2020, he assumed command of 2nd Battalion, 7th Marines.