近几年来在美国防预研局下达的空、海军无人攻击机（ＵＣＡＶ）研制计划中，诺斯罗普·格鲁门公司表现十分活跃，希望通过无人攻击机研制，能重新跻身于美国主要国防产品主承包商行列。公司在赢得了美海军的无人攻击机合同之后，更是不惜血本，自行投资研究了一种布局独特、技术先进的名为“飞马”的无人攻击机作为海军 ＵＣＡＶ技术验证机 Northrop Grumman has been very active in the research program of air and naval unmanned attack aircraft (UCAV) issued by the U.S. Bureau of Defense Pre-SARS in recent years. It hopes to regain its place in the world through unmanned attack aircraft The main US defense contractor ranks the main contractor. After winning the US Navy’s UAS contract, the company invested heavily in researching a unique and technologically advanced unmanned aerial vehicle called Pegasus as a Naval UCAV Technology Validator