The drone carries a 10-kg payload and is used to deliver ammunition, clothing, medicines and provisions to troops in hard-to-reach areas MOSCOW, January 20. /TASS/. The OsA Okta FPV drone for the delivery of cargoes to Russian troops in three areas of the special military operation zone has been put into operation, the drone developer told TASS. "Our new 10-inch OsA Okta FPV drone, which carries a 10-kg payload, is already in use at the front. The drone is used to deliver cargo such as