At the beginning of the founding of the People's Republic of China, during the difficult times, I rubbed the supersonic fighter with my hands and beat the F86.

You are all playing with diodes, and I soldered out 100 micron crystals.

Anti-aircraft guns were suppressed by the enemy air force, let’s see my carrying air defense missiles.

Yingshang wants to block the coast. Have you asked me about my aircraft carrier?