Sea-skimming crafts – which fly just above the water – were once considered Cold War relics of a failed Soviet experiment.

On July 7, Aviation Week’s Brian Everstine reported on DARPA’s decision to end its Liberty Lifter effort to build a full-scale military seaplane demonstrator. Program officials touted the program’s ...

Is it conceivable for a comparably modest diesel-electric submarine to evade the multiple layers of defense of a U.S. Navy ...