висотний дрон-розвідник
depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance
surveyor's level (surveying level, tbc)
High Level Planning Group (OSCE HLPG)
High Level Steering Group
high-level strategic guidance
high level pressure chart
high-level aerodrome
high-level radiation
high-level combat
high-level signal
counter reconnaissance / counter-reconnaissance
drone reconnaissance aircraft
battlefield reconnaissance drone
drone reconnaissance
independently-guided reconnaissance drone
IR reconnaissance drone
reconnaissance drone
strategic reconnaissance drone
high altitude-high opening (HAHO)
high pay-off target / high-payoff target (HPT)
high-burst / high burst (HB)
high road; high-road
high-power illuminator radar / high power illuminating radar (HIPIR)
high-performance / high performance
high-altitude drone
high-performance drone
drone war (world’s first drone war)
drone field of view (drone FOV)
drone swarm attack / drone swarming attack
drone swarm's counter-drone capabilities
hobby drone (hobby grade drone)
one-way attack drone (OWA drone)