Ukraine's Defence Minister Oleksiy Reznikov met the ambassadors of the Group of Seven and the European Union on 1 February.
He said on Twitter that they had discussed the situation at the frontline and changes in the Defence Ministry.
"I introduced my new deputies. We are building an effective MoD using the best standards of civil service," Reznikov added.
The Cabinet of Ministers recently appointed two deputy defence ministers.
Vitaliy Deyneha, founder of the Come Back Alive Foundation, was appointed Deputy Minister of Defence for Digital Development, Digital Transformation and Digitalization, and Andriy Shevchenko, former Ambassador of Ukraine to Canada, was appointed Deputy Minister of Defence for European Integration.