Thank you for your question and great to hear that you are using https://www.map.army.
The Military Symbol Editor is the sub window to change Affiliation, Modifiers and Attributes of the Symbol:
Please ensure that you press the ‘Apply’ button to ensure that your changes are added to the military map overlay.
Please do not hesitate to contact us, should the issue still occur on your side.
Kind regards
Martin from the map.army team