High Quality Content by WIKIPEDIA articles! The Astrobiology Field Laboratory (AFL) (also Mars Astrobiology Field Laboratory or MAFL) was a proposed NASA unmanned spacecraft that would have conducted a robotic search for life on Mars. This proposed mission, which was not funded, would have landed a rover on Mars in 2016 and explore a site for habitat. Examples of such sites are an active or extinct hydrothermal deposit, a dry lake or a specific polar site.