THE RESISTANCE TROOPER:

AH! LOOKS LIKE WE'VE BEEN FOUND BY THE ENEMY. THE EXIT IS ALREADY SEALED... YOU BETTER GET INTO THE SEWER! SKIP TO THE OTHER SIDE OF THE EXIT. WE'LL MEET YOU THERE. THE SEWER ENTRANCE GOT BLOCK BY ALATTICE! THE SWITCH... I GUESS IT'S AT THE END OF THE WALKWAY.