Before revision: upright=1.5 The Micro-Ecological Life Support System Alternative (MELiSSA) is a European Space Agency (ESA) initiative with the aim to develop the technology for a future regenerative life support system for long-term human space missions.
After revision: frameless The Micro-Ecological Life Support System Alternative (MELiSSA) is a European Space Agency (ESA) initiative with the aim to develop the technology for a future regenerative life support system for long-term human space missions.