Citadel uses less ammunition than other air defense systems
One source
What the source said
TASS
“Citadel uses less ammunition than other air defense systems”
Citadel is a 30-mm automatic artillery system designed to provide round-the-clock protection for fixed installations against multicopter and fixed-wing drones
Read at TASSReported by one source so far. It is confirmed when a second, independent source reports the same thing.