Ukrainian USVs have destroyed Russian ships both at port and at sea, hitting over 100 Russian vessels in the Sea of Azov and Black Sea over the summer This is the first time an uncrewed sea drone has destroyed another in direct combat. Key points and original sources are listed below.

• Ukrainian USVs have destroyed Russian ships both at port and at sea, hitting over 100 Russian vessels in the Sea of Azov and Black Sea over the summerS1

• This is the first time an uncrewed sea drone has destroyed another in direct combat. Russia has not officially commented on the Ukrainian claim.S2