2010年2月19日是我国航天系统(不论是常规意义下的航天系统还是在我国现行的体制下由航天和导弹两大系统组成的广义的航天系统)负责研制的飞行器首次发射成功50周年纪念日。在我国航天系统负责研制的飞行器中,率先遨游蓝天的是编号为001的T-7M火箭。T-7M火箭后来被取名为“探空 February 19, 2010 is the commemoration of the 50th anniversary of the successful launching of China's space system (whether in the conventional sense of the space system or the broad space and missile system under the current system of China) day. In China's space system is responsible for the development of the aircraft, the first to surf the blue sky is the number 001 T-7M rocket. T-7M rocket was later named "sounding