The battle of Midway was a crucial turning point in the pacific during the second world war, oftencharacterized as a miraculous victory of the American navy. This study investigates the use ofdeception during the battle by applying Barton Whaley´s theory of deception to analyse events. Todevelop a deeper understanding of the battle of Midway this study is designed as a qualitativestructured focused case study. By usage of Whaley´s framework structure the analyses this thesisinvestigates the significant yet underexplored role of deception methods by examining bothAmerican and Japanese actions. The findings reveal that deliberate acts of deception combined withcases of self-induced misconceptions played a crucial role during the battle. Moreover, factors likeweather and communication failures contributed to concealment of manoeuvres. Whaley´stheoretical framework provides a nuanced understanding of how methods of deception were usednot only between opposing forces but also internally within both side´s command structures.