Delivery of the drones will be over 18 months.
9 of the aircraft, known in Israel as the Adir, have been delivered, with 41 more to come.
The contract over a 13-year period includes a set up phase of three years and a ten-year operating period.
The new communications network provides calls, PTT, real-time video streaming, and other broadband apps.
Cancelation of the test, due to a fault in the target missile, won't affect operational deployment of the anti-ballistic missile defense system.
"Globes" reveals exclusive details about payments to the German submarine builder's Israeli representative, who bribed senior Israeli military and political figures.
Joseph Weiss tells "Globes" about the challenges he faces including missile defense, exploding rocket launchers and the refusal of the US to grant him a visa.