New Zealand Army personnel have helped to provide freshwater resources to schools on Samoa's Upolu Island.
They're being led by their American counterparts in giving humanitarian assistance and disaster relief.
In December, Cyclone Evan caused major flooding in Samoa, wrecking buildings and destroying crops before moving on to batter Fiji.
The Defence Force says water catchment systems installed by its crews will benefit more than 3000 staff and students.
It says its medics have also treated thousands of people and performed dental examinations.
The Defence Force says some personnel have since gone to Tonga to do further aid work.