quad (drone)
(розм.) квадрокоптер (дрон)
(розм.) квадрокоптер (дрон)
quad wrench (with one-way bearings)
drone war (world’s first drone war)
drone swarm's counter-drone capabilities
hobby drone (hobby grade drone)
one-way attack drone (OWA drone)
sea surface drone (unique invention of Security Service of Ukraine - SSU)