One Piece Chapter 6, page 11: Chapter 6: Number One

Captain Morgan, furious at his men's cowardice, steps forward and bellows, "HEAR ME! ALL YOU COWARDS WHO WERE WHINING JUST NOW... WILL SHOOT YOURSELVES IN THE HEAD!" The Marines gasp in absolute horror. Morgan continues coldly, "I WON'T TOLERATE DEFEATISTS......IN MY OUTFIT!!! ON MY ORDER... FIRE!!" Terrified of their captain, a Marine soldier reluctantly cocks his rifle with a trembling "KACHAK" sound effect, sweating profusely.