The already expansive defence relationship between India and the US is set to register a quantum leap during the Modi-Biden summit with the twin pacts on the joint manufacture of GE-F414 fighter jet engines and the sale of armed MQ-9B Predator drones, both a first for a non-military ally of the US.The already expansive defence relationship between India and the US is set to register a quantum leap during the Modi-Biden summit with the twin pacts on the joint manufacture of GE-F414 fighter jet engines and the sale of armed MQ-9B Predator drones, both a first for a non-military ally of the US.