Switchblade drones: What are these US-made 'kamikaze' weapons being sent to Ukraine?

The drones have carried out unexpectedly successful Ukrainian attacks in the early stages of Russia’s invasion - before the Russian forces were able to set up their air defenses in the battlefield, according to Jack Watling of the London-based Royal United Services Institute. He said Ukrainian forces "have been essentially flying in at a low-level and then coming up and raiding with them. So striking targets of opportunity.”