Apache helicopter is an advanced multi-mission helicopter being operated worldwide by the US, UK, Israel and many numbers of countries. The helicopter has proved itself as an operational success across the world. It is one of the most fierce attack helicopters in the world," he added.India had signed a multi-billion contract with Boeing in September 2015 for purchasing 22 Apache helicopters. The entire fleet is scheduled to be delivered to the IAF by the year 2020. Latest indian defence news