It involves personnel from New Zealand, Australia, Britain and Canada.
Operation Render Safe is a three-week-long exercise to remove explosive remnants from World War II that can be found scattered over land and sea in the Solomons.
The commander of HMNZS Manawanui, Lieutenant Commander Muzz Kennett, said the New Zealand team had been working in the Russell Island group, to the northwest of Guadalcanal, aiming to ensure communities and the waters they relied on were safe.
"We have found 250 pound bombs and smaller ordnance - one village we found up to 52 pieces of ordnance that we removed and detonated some explosives to get rid of them.
"It's working really well, we have been busy, and in the last five days we have got rid of approximately 400 pounds of ordnance."