Yet for all their importance, their missions would be impossible if not for the US Navy's unsung workhorses: replenishment ships. Replenishment ships loaded with food, fuel and bombs are the ...

An aerial drone photo shows China's first homegrown AS700 civil manned airship during its demonstration flight in Yangshuo County in Guilin, south China's Guangxi Zhuang Autonomous Region ...

China's independently-developed AS700 civil manned airship has secured 10 more purchase orders, ready for commercial operations, according to its developer - the Aviation Industry Corporation of China ...

These ships can navigate, avoid obstacles ... autonomous vessels can achieve higher levels of efficiency than their manned counterparts. This not only reduces costs but also minimizes the ...

The Apollo program, by comparison, cost about $257 billion in today's dollars. "Manned exploration is the most expensive space venture and, consequently, the most difficult for which to obtain ...