Abstract
The paper briefly overviews the current activities on the microgravity missions . First, Spacelab missions will be introduced and secondly, those to be reported are being planned or carried out in National Space Development Agency of Japan (NASDA) under the name of Space Environment Utilization Promotion Project. Included in the project are utilization theme elaboration, utilization planning, generic experiment equipment evaluation, generic technology development, aircraft experiment and sounding rocket experiment. The progress status is to be reported and implication toward the future will be discussed.