Amazon faces FAA, NTSB probe after two delivery drones crashed into crane in Arizona
1. Amazon's Prime Air drones collided with a crane in Arizona, pausing services. 2. Federal investigations launched following substantial damage to two drones. 3. Previous drone delivery incidents led to temporary service halts earlier this year. 4. Amazon aims to process 500 million drone deliveries annually by decade's end. 5. Current investigations could delay Prime Air's expansion plans.