A year ago, Ryan Tseng, the head of U.S. defense tech startup Shield AI, announced his company had turned a new page.

After a gory incident that partially severed ⁠a U.S. Navy official’s fingers during a test of its V-BAT drone, Shield AI had addressed safety concerns with new landing gear and warning stickers near the propeller. “(The) aircraft is, tip to tail, just a radically better airplane,” Tseng told Forbes last year.

Now it’s happened again.