John S. Thackrah was United States Assistant Secretary of the Navy (Research, Development and Acquisitions) in 2007–2008.
In 1979, Thackrah joined United Technologies Corporation's Pratt & Whitney Division, where he worked in project and test engineering.
On April 18, 2005, Thackrah was sworn in as Deputy Assistant Secretary for Management and Budget of the United States Department of the Navy.
In this capacity, he was responsible for all of the department's administrative matters, annual budget preparation, and human resource management, and served as chief of staff for the Assistant Secretary of the Navy (Research, Development and Acquisitions), who was John J.
In 2007, President of the United States George W. Bush nominated Thackrah as Assistant Secretary of the Navy (Research, Development and Acquisitions) and he subsequently held this office from November 16, 2007, until July 27, 2008.