China firmly opposes close reconnaissance and provocative actions by Canada's warplanes, which threaten China's national security, a spokesm

The Armenian defense ministry on Monday denied the alleged transfer of its warplanes to Russia for military operations in Ukraine.The minist

在新冠疫情的影响下，日本航空业遭到沉重打击。为此，各航空公司纷纷开动脑筋策划推出特色服务，力求摆脱经营困境。此前，有航空公司为了尽量增加收入，已经推出了多项服务