Space crop production scientists Oscar Monje (left) and Blake Costine harvest Outredgeous romaine lettuce for preflight testing of the Plant Habitat-07 (PH-07) experiment inside a laboratory at the Space Systems Processing Facility at NASA’s Kennedy Space Center in Florida on Thursday, Aug. 29, 2024. PH-07 will be sent to the International Space Station on NASA’s SpaceX 31st commercial resupply services mission to study how optimal and suboptimal moisture conditions impact plant growth, nutrient content, and the plant microbiome.