Marcel Lettre
Former Under Secretary of Defense for Intelligence
Marcel Lettre was sworn in as the fourth Under Secretary of Defense for Intelligence (USDI) in December 2015. As the USDI, Lettre was the principal intelligence advisor to the Secretary of Defense.
The NATO Alliance faces an increasingly complex, diffuse threat environment. Consequently, we are always striving toward more integrated intelligence to stay a step ahead. NATO is positioned to take [...] More
