Robert A. Heinlein Fanteria Dello Spazio -

Johnny didn't look up. "Maintenance is the difference between a jump and a burial, Sarge."

Below the surface, the ground vibrated. The Bugs were coming. ROBERT A. HEINLEIN FANTERIA DELLO SPAZIO

The MI moved as a single organism. They didn't run; they marched with the rhythmic thud of pressurized boots. Johnny slid into his egg-shaped pod. The darkness swallowed him, save for the amber glow of the HUD. "On the bounce, troopers!" the radio crackled. Johnny didn't look up

He hit the ground at terminal velocity, his retro-rockets firing a micro-second before impact. The pod shattered. Johnny leaped out, his flamethrower clearing a circle of scorched earth before his boots even settled. The MI moved as a single organism

"Don't know why you bother, Rico," Sergeant Zim’s voice boomed from the doorway. "The bugs’ll just cover it in ichor the minute you hit the dirt."

The sirens began to wail, a dissonant screech that signaled the "Drop."