A flag patch of the United States of America, can be attached to a velcro base on your sleeve or other gear.
Patch - Large Flag & Military Collection – Hahn's World of Surplus
American Flag Subdued PVC Patch - Danger Close Apparel
USA Patches and Appliques – Tagged patches – Patch Parlor
Hultafors Ekelund Hunting Axe
US Flag Patch 4 Inch Black Border - 4x2.5 inch
Patches - Flags - American Flags - Page 1 - Hero's Pride
Särmä TST Swedish Flag Patch, 77 x 47 mm
Forgotten Weapons Elbonian Flag Patch, 69 x 47 mm
Särmä TST Helmet Skull Morale Patch