@SREEKAR
The Combat Medic is commonly referred to as "Doc." Within a combat unit, they function as a member of an infantry platoon up until the point that one of their comrades is wounded.
A U.S. Army combat medic (center) in Afghanistan. Note that the only distinguishing feature is the medical pack on his back.
Army Combat medics aren't just trained to save lives in a combat zone; they're also trained soldiers. In addition to emergency medical training, combat medics go through the same basic combat training as all other soldiers, and they have the basic combat skills to protect themselves if under enemy fire. For example, while trying to treat a wounded soldier, a combat medic will need to rely on those field skills to avoid mines and other hidden explosive devices, as well as basic soldiering techniques such as how to enter and exit buildings or open spaces safely. Field medics are an integral part of almost any platoon that's likely to see combat. According to the GC treaty, in a firefight the opposition are not allowed to harm a medic. The ROE for medics is the following: they may not engage the enemy unless they are under direct threat, or to protect the life of a wounded soldier. However, the enemies faced by professional armies in more recent conflicts are often insurgents who either do not recognize the Geneva Convention, or do not care, and readily engage all personnel (e.g. Bakis !)
Also read: Chantelle Taylor an British army medic who killed a Taliban fighter in a fire-fight.
http://www.telegraph.co.uk/news/ukn...ale-soldier-killed-Taliban-in-fire-fight.html
Warfare is different now. A Red Cross isn't respected any more. Combat medics are as much a target as anyone else.