Eventually forming part of the 3rd Division, the brigade served in the Pacific Ocean theatre of the war.

Raised in December 1941, the brigade undertook garrison duties in Fiji before being relieved by US troops in mid-1942.

In mid-1944, the brigade was broken up to return manpower to New Zealand industry and to meet the reinforcement needs of the 2nd Division in Italy.

[4] In September 1943, the brigade was committed to its first combat action,[5] landing on Vella Lavella and fighting a short, but sharp engagement against the Japanese garrison.

[8] Slowly personnel were demobilised and returned to New Zealand and by August 1944, the 14th Brigade ceased to exist.