Delta-X has started the Spring 2021 high discharge campaign in the Mississippi River Delta.  The campaign comprises 3 airborne instruments (AVIRIS-NG, AirSWOT, UAVSAR) and multiple in situ ground teams.   The campaign began on March 21, 2021 with the Delta-X Vegetation Team made up of team members from Louisiana State University and Florida International University.  AVIRIS-NG, AirSWOT, and UAVSAR will begin Delta-X science flights around March 27, pending favorable weather conditions.  The Delta-X Spring campaign will continue through mid-April 2021.