Capt. KangarooKANGAROO FLATS TRAINING AREA, Australia — Pfc. William J. Rogers peers through tall grass during a patrol at… https://www.rawpixel.com/image/3581945/free-photo-image-animal-bee-eater-birdFree Image from public domain licenseButterweed seed podsPhoto by Jim Hudgins/USFWS. Original public domain image from Flickr https://www.rawpixel.com/image/4028762/photo-image-flower-plant-summerFree Image from public domain license