ехать на броне(Explosive concussion inside the personnel compartment, caused by a rocket-propelled grenade or land mine hitting the armour, was said to be more dangerous than enemy fire on the personnel mounted outside.4uzhoj)
ехать на броне(I think it roots down to WWII where if a tank shot an APC all people inside would be dead or permamently injured, so riding on armor gave you more chance to survive.4uzhoj)