Considering this, what do the symbols on Rex's helmet mean?
Rendered as a stylized pair of shriek-hawk eyes, jaig were a mark of honor that select Mandalorian clan chieftains elected to bestow on warriors in recognition of their bravery. They were often painted on the soldier's helmet, or elsewhere on the plates of their armor.
Beside above, what is the mark on fives helmet? His helmet markings are meant to resemble a rishi eel, one of which killed fellow domino squad member "Cutup". Fives in his original Experimental Phase 2 ARC Trooper armor.
Also Know, what are the lines on Captain Rex's helmet?
Captain Rex modified his suit. He did not like the phase 2 clone trooper armor as much so he welded the phase 1 chest piece and the phase 1 T visor to fit his needs. That's why there are orange marks on his helmet and chest. 1 of 1 found this helpful.
What do the red triangles on clone helmets mean?
It does represent honor of a flight expert within the jet troopers.