At the heart of the Indo-US Strategic Partnership is what is known as the Defense Technology and Trade Initiative or DTTI. Under the 2012 DTTI, India and the US set up joint working groups (JWGs) for cooperation on aircraft carriers and jet engine technology, all of the 4 pathfinder projects have now been shutdown. The move comes days after former US Secretary of State and National Security Adviser Henry Kissinger's visit to India.

India and the United States have suspended cooperation on jet engine technology under the Defense Technology and Trade Initiative (DTTI) that seeks to deepen bilateral cooperation and identify opportunities for sharing of high-end defence technologies, a senior Pentagon official revealed on Thursday. The US export controls is one of the reasons for dropping the cooperation on jet engine technology, she said.