15. Compass

Compass tattoos express the significance humans place on time and sense of direction. It can be seen often amongst world travelers or those who yearn to travel.
16. Military
Tattoos on both active military and veterans are many ways that they display their pride in their country, branch, or specific military group. Though they may not have any physical scars from being in the military, these tattoos can act as a way to show that they have been a part of something bigger than themselves that has changed them. (Frayer Zap)