In episode 8 of “The Long Way Home” (our military based T2k v4 campaign telling the story of some survivors of 4-12 Cavalry) the hasty ambush the PCs initiated last session turns into a full on firefight as the enemy bring a machine gun into play and attempt to flank the PCs.
The link to episode 8 is: https://youtu.be/-UBIxN3THXM