Military operations require multitasking. For instance, pilots must monitor control displays in addition to steering an aircraft. Moreover, foot soldiers must communicate and collaborate with comrades while performing reconnaissance missions. Whether this requires similar or distinct cognitive abilities is controversial. We found that officer cadets’ performance in the multi-attribute task battery (MATB), a compound of four tasks to simulate a flight mission, moderately predicted how proficiently they shot at ring targets while additionally solving math problems and memorizing radio signals. This suggested that individuals may possess a common multitasking ability. We aimed to replicate this finding, and to investigate its constraints. We were particularly interested in the role of cognitive control functions, such as working memory capacity, and their interactions with media usage in this regard. This was because, a convincing body of research suggests that individuals’ multitasking performance may be determined by working memory capacity; and this, in turn, may be enhanced by means of video gaming. But too much media usage, such as media multitasking, may cause the opposite effect. To address this, we recruited officer cadets to undergo cognitive assessment and to perform a simulated mission again. Preliminary results of this ongoing study indicate there may be interactions between cognitive control functions, media, and multitasking. However, these effects are inconsistent across multitasking assessments. Moreover, we were not able to replicate our previous finding yet. This is probably related to the yet small sample size of 18 participants. We plan on recruiting at least 12 additional subjects.