md2 crater

They blinked into the artillery, appearing in midair to the shock and horror of the soldiers below. There was a second where Emma and Isabella coolly assessed the situation, before Emma introduced the Turians to the concept of airborne artillery.

Unfortunately, the artillery hadn't been designed for that particular application.

"Damn, Emma, remind me never to get in a no-holds-barred fight with you," Isabella muttered as they landed in the epicenter of the crater. "You provide fire power, I provide the shielding?"

(Mass Divergence, Chapter 2)