U.S. Marine Corps shoulderboard insignia of the rank of Colonel (O-6)
File:Globeanchor.svg 

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This work has been released into the public domain by its author, Gringer, at the [[::|English Wikipedia]] project. This applies worldwide.In case this is not legally possible:Gringer grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

, File:US Army O6 shoulderboard rotated.svg 

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This work has been released into the public domain by its author, Ipankonin, at the [[::|English Wikipedia]] project. This applies worldwide.In case this is not legally possible:Ipankonin grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.