德尔塔 II 6925 | GPS-2 8

描述

Delta II was an expendable launch system, originally designed and built by McDonnell Douglas. Delta II was part of the Delta rocket family and entered service in 1989. Delta II vehicles included the Delta 6000, and the two later Delta 7000 variants ("Light" and "Heavy"). The rocket flew its final mission ICESat-2 on 15 September 2018, earning the launch vehicle a streak of 100 successful missions in a row, with the last failure being GPS IIR-1 in 1997.

德尔塔二号（Delta II）是一种一次性发射系统，最初由麦克唐纳-道格拉斯（McDonnell Douglas）设计和制造。德尔塔二号是德尔塔火箭家族的一员，于 1989 年投入使用。德尔塔二号运载器包括德尔塔 6000，以及后来的两种德尔塔 7000 型（“Light”和“Heavy”）。该火箭于 2018 年 9 月 15 日执行了最后一次任务 ICESat-2，使该运载火箭创下一连串 100 次连续成功任务，最后一次失败是 1997 年的 GPS IIR-1。