1, I'm not afraid to travel thousands of miles a day, I'm not afraid to travel thousands of miles a day.

2. Times are changing, young faces are changing, but the goal of patriotism and progress will never change, the background color of red genes will never change, and the spirit of always forging ahead in the forefront of the times will never change.

3. The enemy is vicious, but he can't change his loyalty; Death can destroy the body, but faith lasts forever.

4、? Life can't be skipped, someone must dare to choose the hardest road, and someone must put life before interests.

5、? All great achievements are the result of constant struggle. Looking back, from the successful launch of the first artificial satellite, to the great achievements of manned space flight, to "Chang 'e landing on the moon" and "exploring the sky fire", China Aerospace has set a series of milestones.

6. Once upon a time, faced with the problem of "getting stuck in the neck", the older generation of scientific and technological workers faced difficulties and overcame them, showing the indomitable spirit of the Chinese nation.