Fire crews are days into a challenging battle against a firestorm in Los Angeles, and one of the critical tools in the fight has been the effort from above. Enter the CL-415 Super Scooper — one of the world’s most effective firefighting aircraft — capable of skimming the surface of open bodies of water.

Los Angeles authorities have vowed to prosecute illegal drone flights after a civilian drone collided with a Canadian “Super Scooper” aircraft fighting the Palisades Fire Thursday, forcing it to be grounded.