military 43 weapon 25 gun 21 vehicle 20 military_vehicle 18 tank 16 hat 16 uniform 16 gloves 16 military_uniform 15 highres 14 touhou 13 mecha 11 solo 10 long_hair 10 monochrome 10 caterpillar_tracks 9 operator 9 1girl 9 boots 9 original 8 rifle 8 sky 7 helmet 7 airplane 6