US signed a new agreement with Northrop Grumman under the FMS (Foreign Military Sales). Under the agreement, Japan's second batch of 9 E-2D Advanced Hawkeye’s manufacturing process will be started.

On October 12, Japan announced the signing of a new US $ 3 billion agreement. Under the agreement, nine additional E-2D Advanced Hawkeye airborne early warning aircraft will be procured for the Japanese Air Self-Defence Force. The first decision for its procurement E-2D planes were submitted in 2014 and the first party of. Japan, has announced an agreement of 945 million US Dollars for the first party aircraft.