在第15部分中，从热控制和设计角度对现有卫星进行了描述和检查。给出了热控制要求，并根据每颗卫星的性能对热控制系统进行了评估。购买本文件时可获得的所有当前修订均包含在购买本文件中。

In this Part 15, existing satellites are described and examined from a thermal control and design view. The thermal control requirements are given and an assessment is made of the thermal control systems used against performance for each satellite.All current amendments available at time of purchase are included with the purchase of this document.