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> US-USAHWIE-00087
521st Engineer group
Casual:
Tactical vest "PS-ZhR" Border Service of Russia Federal Security Service
Нарукавный знак 161 БрПл СФ ВМФ Российской Федерации
24th Signal battalion
Another category of: Engineers
1901st Engineer battalion
253rd engineer battalion
568th Engineer company
309th engineer battalion ( obsolute)
538th Engineer battalion