Is it permissible for Muslims to hang the disbelievers symbols on their chests?

Question 426: Some foreign authorities distribute two types of flags, one for Saudi Arabia and the other one for their non-Muslim countries. A military official hangs these flags on people’s chests. What is the ruling on this action?

Answer:  It is not permissible for a Muslim to hang the disbelievers distinctive symbols, such as crosses or other items, onto their chest.... read more here.