Aircraft and boats will be two tough sectors to wean off fossil fuels, since both require way more energy than is practical with current battery technologies. Ground effect vehicles like the Regent ...

DARPA has launched a new "Liberty Lifter" program to design, build and test a highly-efficient wing-in-ground effect aircraft for transporting "very large, heavy loads" over long distances without ...

It’s a boat. It’s a plane. It’s both. The Liberty Lifter X-plane is a concept for a ground effect vehicle for “seaborne strategic and tactical heavy lift” according to the Defense Advanced Research ...

The ground-effect (GE) refers to the almost mystical property where the interaction of the airflow around an aircraft’s wing and the ground massively increases efficiency due to the reduction of ...

The Defense Advanced Research Projects Agency, the secretive group behind some of the United States’ most radical and advanced defense projects, wants to “revolutionize” heavy air life with a large, ...

New DARPA projects come about for various reasons, but sometimes they start with an impossible question. Five years ago, Alexander Walan, a program manager for the agency’s Tactical Technology Office, ...

The Wing Ship Technology Corporation, a South Korean company, is trying to revive the wing in ground effect idea. South Korea’s armed forces have already agreed to buy some and the firm says it hopes ...

The new X-plane will be a large flying boat similar in size and capacity to the C-17. The Defense Advanced Research Projects Agency is working on a new X-plane under the Liberty Lifter Seaplane ...