Swordfish Cave is a well-known rock art site located on Vandenberg Air Force Base in south central California. Named for the swordfish painted on its wall, the cave is a sacred Chumash site. It was under threat from various processes and required measures to conserve it. Nearly all of the cave s interior was excavated to create a rock art viewing area. That effort revealed previously unknown rock art and made it possible to closely examine how early occupants used the space inside the cave. They identified three periods of human use, including an initial occupation around 3,550 years ago, an...