7 of the best sounds you’ll hear in combat

Being on a foot patrol in a war zone means you'll need to have your eyes peeled and your ears open; troops need to be able to visually identify possible threats and hear commands and other instructions. When a firefight kicks off and bullets start to fly, things can get pretty damn hectic — and loud. In most cases, the "ground pounders" usually get a fix on the enemies' position in a matter of minutes.

Once that happens, adrenaline kicks in and time moves a bit differently, but there are a few sounds you'll never forget.

Related: 14 images that humorously recall your first firefight

Here are seven of the best ones:

7. When your platoon sergeant says, "Hey gents, watch this!"

At times, well-trained troops make it a game to blow up the enemy's position. It's also a morale booster. When the platoon sergeant wants to draw a crowd to witness their combat efforts, you know the attack is about to be freakin' epic.

6. The whistle of incoming ordnance

Calling in mortars on the bad guys means they weren't sneaky enough to fire a few rounds at your position and then bug out. Once you hear the whistle of incoming ordnance, it's just a matter of time before a mortar detonation will follow.

5. The BRRRRT of an A-10

This is hands down one of the best sounds you can ever hear in combat. Just to know you have a tank killer flying above you makes a world of difference on a foot patrol.

4. When the platoon passes word of a "gun run."

After the ground troops get a fix on where the bad guys are hiding, the platoon sergeants love to call upon the efforts of their flying arsenal that patrols the skies.

A "gun run" is when an attack plane or helicopter initiates a nose dive toward a target with their heavy machine guns blazing. After they complete the "gun run," they'll fly back up and out of the enemy's range. They'll return if called upon and authorized.

3. Silence

After all the commotion, the sound of silencing the enemy offensive is awesome. But knowing you're still standing tall and healthy is the one best feelings ever.

2. When "RTB" is announced over comms

"RTB" is short for "return to base." Hearing these words calmly spoken after a firefight means you guys did your job and it's time to go home to debrief and eat chow.

Also Read: 6 questions you asked yourself after your first firefight

1. The "hiss" of the smoke grenade popping.

After a gunfight, most ground troops will "pop smoke" when they leave an area to give themselves cover of smoke. The hiss of the smoke grenade is an excellent way to put a mental check mark in the win column.