The GJB 150.2-1986 standard specifies methods for testing military equipment in a low pressure environment to evaluate the adaptability of equipment to low pressure during storage, transportation and use. The standard provides the basis for determining the performance Stability and Reliability of equipment in low pressure conditions. Currently, the GJB 150.2-1986 has been replaced by the GJB 150.2-2009, and it is recommended to consult the updated version to ensure compliance with the latest requirements.