
1) Czech surname 2) Soviet invention 3) Ukrainian surname
Found on
https://www.crosswordclues.com/clue/drozd

Drozd (`thrush` in Russian) is an active protection system developed in the Soviet Union, designed for increasing tanks` protection against anti-tank missiles and RPGs. It is considered the world`s first operational active protection system, created in 1977–78 by A. Shipunov`s KBP design bureau as Kompleks 1030M-01. Drozd uses 24.5 GHz Dopp...
Found on
http://en.wikipedia.org/wiki/Drozd

The Drozd was a Russian Opitni Class destroyer of about 2050 tons displacement launched during the Second World War. The Drozd was powered by 3-drum type oil-fired boilers providing a top speed of 36 knots and was armed with four 5.1 inch guns; three 3 inch anti-aircraft guns; two 45 mm anti-aircraft guns; four 37 mm anti-aircraft guns; four machin...
Found on
http://www.probertencyclopaedia.com/browse/RD.HTM
No exact match found.