Okay, the Coast Guard logo is at:
https://elements.carbide3d.com/category/us_armed_forces/coast-guard-seal.svg/
which when imported into Carbide Create appears as:
Select each open vector:
and close it:
Then duplicate any elements which interact with it:
drag them back into registration:
Then make the appropriate selection to apply the appropriate Boolean operation:
to fix each graphic:
repeat for each graphic.