02_6_imu_sandbags_1a.jpg US Army trench, Mākua Valley, 2002Thumbnails02 8 4542WallUS Army trench, Mākua Valley, 2002Thumbnails02 8 4542WallUS Army trench, Mākua Valley, 2002Thumbnails02 8 4542WallUS Army trench, Mākua Valley, 2002Thumbnails02 8 4542WallUS Army trench, Mākua Valley, 2002Thumbnails02 8 4542Wall