During its third and fourth standby period in the second half of 2011 and 2014, the Balkan Battlegroup was joined by Ukraine, while Serbia signed its participation in 2016.

It contributed 10 staff officers, a company of Ukrainian armored vehicles manned with marines, and an Ilyushin Il-76 strategic lift aircraft.

"[6] On 8 November 2016, Serbia, an EU candidate state, signed an agreement to become part of the Battlegroup,[7] bringing the number of member countries to six.

The coat of arms depicts a white pigeon carrying an olive branch to a burning globe on a blue field, surrounded by the 12 golden stars of the European emblem.

The olive branch and the pigeon are ancient symbols of peace and in combination with the burning globe reflect the urgent intervention of the HELBRROC BG, whenever may be required.