I love the military hardware and buzzing miniguns and explosions and whatever as much as the next guy. But the real star here is the use of the phrase "salty language." A delightful expression from yesteryear!
He is saying HE as in High Explosive rounds (as previously stated) to load for a counter battery fire. It's easy to calculate where artillery/mortar fire is coming from and launch a counter attack. Also don't judge the excited fellow. His fellow troops seemed to be indifferent about the fact that someone was actively trying to kill them and the CRAM may have been the one thing standing between them and death.
"She weighs 150 kg and fires 0 custom-tool cartridges at 10,000 rounds per minute. It costs 0,000 to fire this weapon for 12 seconds." - Heavy weapons guy
That thing really disturbs me, watch a video of it in daylight so you can see the horrific way it gives a little spastic jerk before it comes to life and lets out that creaking drone, uerrrgghhhhh, +5 for terrifying military hardware.