洛克希德·马丁公司正在推出一款采用第六代技术的“第五代以上”F-35——大约是第六代战斗机的 80%，而成本只有一半。但该飞机目前的 Block 4 升级至少超出预算 60 亿美元，并且晚了五年，而且五角大楼已经在资助另外两架高端战斗机。
The Republic Doesn’t Ratify Itself
Our nation is turning 250. The anniversary will summon the usual rhetoric about an inheritance handed down.但继承恰恰是错误的比喻。共和国的创始人并没有继承共和国；而是继承了共和国。 they argued it into being and asked their fellow citizens to say yes. Every generation since has faced the same question, whether or not anyone bothered to
