Cleaning up the tracks
Lance Cpl. Michael Haus, an amphibious assault vehicle crewman with AAV Platoon, Combat Assault Company, 3rd Marine Regiment, picks debris off an AAV after it tore up invasive pickleweed in the Nuupia Pond Wildlife Management Area during the 29th annual Mud Ops exercise on Marine Corps Base Hawaii, Feb. 23, 2011. The 29-year-long Mud Ops tradition partnered AAV Platoon Marines with the base Environmental Compliance and Protection Department to prepare the 517-acre area for the upcoming breeding season of the endangered Hawaiian stilt bird species, which lasts from March until September. (U.S. Marine Corps photo by Lance Cpl. Reece E. Lodder/released). Original public domain image from Flickr