Barges being pulled through by winch, prior to picking towline from tug. Erie Canal, New York. Sourced from the Library of… https://www.rawpixel.com/image/12288339/photo-image-person-sky-woodFree Image from public domain licenseParris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An aerial "tug boat" tows three gliders… https://www.rawpixel.com/image/12288988/photo-image-cloud-sky-airplaneFree Image from public domain license[Untitled photo, possibly related to: Parris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An… https://www.rawpixel.com/image/12287332/photo-image-sky-airplane-roadFree Image from public domain license[Untitled photo, possibly related to: Parris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An… https://www.rawpixel.com/image/12287590/photo-image-sky-airplane-roadFree Image from public domain license[Untitled photo, possibly related to: Parris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An… https://www.rawpixel.com/image/12289176/photo-image-sky-airplane-animalFree Image from public domain license[Untitled photo, possibly related to: Parris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An… https://www.rawpixel.com/image/12287611/photo-image-cloud-sky-airplaneFree Image from public domain licenseParris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An aerial "tug boat" tows three gliders… https://www.rawpixel.com/image/12287602/photo-image-sky-airplane-animalFree Image from public domain licenseTug pulling barges through Lock Eleven. Erie Canal, New York. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288377/photo-image-person-road-public-domainFree Image from public domain licenseParris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An aerial "tug boat" tows three gliders… https://www.rawpixel.com/image/12288758/photo-image-sky-airplane-roadFree Image from public domain license[Untitled photo, possibly related to: Parris Island, South Carolina. An aerial "tug boat" towing three gliders across the… https://www.rawpixel.com/image/12288965/photo-image-sky-airplane-public-domainFree Image from public domain license[Untitled photo, possibly related to: U.S. Naval Academy, Annapolis, Maryland. Tug of war]. Sourced from the Library of… https://www.rawpixel.com/image/12289282/photo-image-person-road-public-domainFree Image from public domain license[Untitled photo, possibly related to: Parris Island, South Carolina. An aerial "tug boat" towing three gliders across the… https://www.rawpixel.com/image/12288919/photo-image-sky-airplane-public-domainFree Image from public domain license[Untitled photo, possibly related to: Parris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An… https://www.rawpixel.com/image/12288999/photo-image-person-sky-airplaneFree Image from public domain license[Untitled photo, possibly related to: Parris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An… https://www.rawpixel.com/image/12288699/photo-image-sky-airplane-animalFree Image from public domain licenseParris Island, South Carolina. An aerial "tug boat" towing three gliders across the field at the U.S. Marine Corps glider… https://www.rawpixel.com/image/12288755/photo-image-sky-airplane-public-domainFree Image from public domain license[Untitled photo, possibly related to: Parris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An… https://www.rawpixel.com/image/12288975/photo-image-cloud-sky-airplaneFree Image from public domain license[Untitled photo, possibly related to: Parris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An… https://www.rawpixel.com/image/12288753/photo-image-sky-airplane-animalFree Image from public domain license[Untitled photo, possibly related to: Parris Island, South Carolina. An aerial "tug boat" towing three gliders across the… https://www.rawpixel.com/image/12287608/photo-image-cloud-sky-airplaneFree Image from public domain license[Untitled photo, possibly related to: Tug pulling barges through Lock Eleven. Erie Canal, New York]. Sourced from the… https://www.rawpixel.com/image/12288476/photo-image-person-sky-public-domainFree Image from public domain licenseParris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An aerial "tug boat" tows three gliders… https://www.rawpixel.com/image/12288950/photo-image-sky-airplane-animalFree Image from public domain license[Untitled photo, possibly related to: Parris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An… https://www.rawpixel.com/image/12289028/photo-image-cloud-sky-airplaneFree Image from public domain license[Untitled photo, possibly related to: Tug pulling barges through Lock Eleven. Erie Canal, New York]. Sourced from the… https://www.rawpixel.com/image/12288623/photo-image-person-public-domain-waterFree Image from public domain licenseParris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An aerial "tug boat" tows three gliders… https://www.rawpixel.com/image/12288721/photo-image-sky-airplane-animalFree Image from public domain licenseParris Island, South Carolina. U.S. Marine Corps glider detachment training camp. An aerial "tug boat" tows three gliders… https://www.rawpixel.com/image/12287322/photo-image-sky-airplane-roadFree Image from public domain license