This research aims to describe and analyze the significant level of motivation, work discipline, and work environment simultaneously on the performance of TNI-AU members as the Air Force Logistics Assistant at Koopsau 1 Halim Perdanakusuma Jakarta. Location: This research was conducted at Aslog Halim Perdanakusuma, Jakarta. The choice of research location is because determining the research location will make it easier for researchers to conduct research. This type of research is causal-comparative, which is included in explanatory research. The population and sample for this research are all 76 members of the TNI-AU in the Air Force Logistics Assistant (Aslog). The data analysis used is descriptive analysis, which aims to describe or provide an overview of the phenomenon studied, and multiple linear regression analysis to determine the influence of motivation variables, work discipline, and work environment on performance variables. The research results show that motivation, work discipline, and work environment affect the performance of Aslog members. Member work motivation is the most dominant symptom measured and influences member performance most. The contribution and suggestions of this research can be used as a reference in improving performance through research results and suggestions, namely that good collaboration with other members is needed to complete tasks according to targets, and communication facilities and infrastructure need to be reviewed and evaluated.