World War I United States : Insignia and patches

1. W1Ai4d -... ... 3. W1Ai11ds - ... 4. W1Ai13ds - ... 5. W1Ai31_RMA_... 6. W1Ai49_Sibe... 7. W1Ai52_MP_s... 8. W1Ai54_2nd_... 9. W1Ai56_1st_... ... 102. W1Ai156d-...