EU ministers are expected to back moves for a new naval force to intercept people smugglers before their boats reach European waters.
They will discuss the plans at a summit in Brussels aimed at tackling the migrant crisis in the Mediterranean.
Some of the migrants being rescued in April.
It comes as almost 70 Irish sailors and two army medics join the efforts to prevent more deaths with the deployment of the LE Eithne over the weekend.
So far this year around 2,000 people have drowned in the Mediterranean sea attempting to enter Europe.