His first argument didn't work, so he brought out the 'heavy artillery'. [=he started using a different and more powerful argument]
The troops were being bombarded by 'artillery'.
The troops were under heavy 'artillery' fire.
(..) It's too high, can't you see? How can the convinct climb on it? Ah! Here comes the convoy. Get out! Get out of the hole! Lieutenant Apostol Bologa from the th Field Artillery. At your command, sir! Incidentally, i came earlier and saw that the stool was missing. Missing? (..)1965 Forest of the Hanged
(..) an execution is about to begin. Yes. I can't really understand why i got here. So you were moved to this division. Yes. In the th Field Artillery. Ah, right in our regiment! Then, welcome! So, who are you hanging? Hm, a czech sub-lieutenant. Svoboda is his name. He was caught right when he (..)1965 Forest of the Hanged