Marines of 2nd Battalion, 24th Marine Regiment, arrive at Landing Zone Sparrow, July 20. The Marines are transitioning from the Hawthorne Army Ammunition Depot in Nevada, to the MWTC to complete Javelin Thrust. - Marines of 2nd Battalion, 24th Marine Regiment, arrive at Landing Zone Sparrow, July 20. The Marines are transitioning from the Hawthorne Army Ammunition Depot in Nevada, to the MWTC to complete Javelin Thrust.