As reported by Censor.NET.
"Ruslan Khomchak is moving to the post of the NSDC's first deputy secretary. Accordingly, the incumbent first deputy head, Mykhailo Koval, is stepping down," he said.
As was reported earlier, President Volodymyr Zelenskyi dismissed Khomchak as commander-in-chief of the Ukrainian Armed Forces and appointed Commander of the Pivnich (North) Operational Command Valeriy Zaluzhny to the post.
Koval was appointed the NSDC's first deputy secretary on February 17, 2015.