C4iSR: Joint & Common Equipment

DDG 1000 testing awaits validation test on SDTS

20 February 2020

The US Navy (USN) will conduct a critical engineering validation test on its Self Defense Test Ship (SDTS) next month which, if successful, will pave the way for the resumption of live fire testing in support of the DDG 1000 Zumwalt-class destroyer programme.

This follows investigations determining that the Zumwalt Combat System (ZCS) was not the cause of earlier testing issues affecting testing on the SDTS.

Problems affecting the DDG 1000 test programme came to light in the Director, Operational Test and Evaluation (DOT&E) 2019 annual report released earlier this year. While the exact nature of the problems was not identified, the DOT&E claimed the poor results forced the navy to suspend the test programme while the root cause of the problems was identified.

Want to read more? For analysis on this article and access to Jane's unrivalled data and insight, learn more about our subscription options at

(149 of 707 words)