Cluster-4

The Cluster-4 spacecraft, also known as Tango, was launched from Baikonur on 2000 July 16 on the first of two Soyouz vehicules dedicated to the Cluster-II mission. It was the Flight Model 8, one of three spacecraft built following the failure of the first Cluster launch vehicule.

Cluster-4航天器，亦称Tango，于2000年7月16日从拜科努尔发射升空，搭载于两艘专为Cluster-II任务定制的Soyouz航天器中的首艘。该航天器为飞行模型8号，是继首次Cluster发射航天器失败后所建造的三艘航天器之一。