tank 28 vehicle 22 military 16 military_vehicle 16 mecha 14 weapon 9 caterpillar_tracks 9 gun 8 highres 7 sky 4 hat 4 desert 4 original 4 photo 4 official_art 4 cannon 3 cloud 3 smoke 3 firing 3 no_humans 3 1girl 3 battle 3 explosion 3 uniform 3 sand 3