Would it be possible to add a landing gear to the Caspian Sea monster ekronoplan? - Quora
Video: DARPA Unveils Liberty Lifter Seaplane Concept - Naval News
DARPA Funded Two Wing in Ground Effect Transport Planes
DARPA Requests Information For Wing-in-Ground Effect Aircraft For the U.S. Military - Naval News
Could There be a Role for Wing-in-Ground Craft in Naval Warfare?
DARPA Flying 'Sea Monster' What Are Wing-in-Ground Craft?
DARPA Developing Wing-In-Ground Effect Cargo Seaplane - The Aviationist
DARPA's ground-effect X-plane will haul 100 tons of cargo
Lun-class ekranoplan - Wikiwand
DARPA Flying 'Sea Monster' What Are Wing-in-Ground Craft?
DARPA Requests Information For Wing-in-Ground Effect Aircraft For the U.S. Military - Naval News
DARPA Liberty Lifter heavy airlift seaplane
DARPA Flying 'Sea Monster' What Are Wing-in-Ground Craft?
Send Skimmers to the Skirmish: A Case for a Wing-In-Ground Effect Attack Craft
Liberty Lifter: USA selects companies to develop new giant seaplane - Aeroflap