Simon Furman 
To The Death #3 [PDF ebook] 

Earth, 2674: thrown into the middle of an entrenched lunar standoff between the Tri-Corp and desperate Helium miners with asteroid-smashing gun, Dryagin and Scourge Squadron take matters into their own hands – which effectively means pissing off the three most powerful ‘people’ on Earth. Caught between a rock and some seriously big Mechs, Dryagin finds that he real enemy… is within… and the heat’s well and truly ON!