Captain, your ship has exploded again.

Zhang Xun was recruited into the army by a mysterious system? I want to be a captain, this profession is safe! Why am I, as a captain, facing alien monsters face-to-face, and having to procure my own equipment? What? The system doesn't provide ready-made warships, I have to find my own? This army service is all self-funded?! "Captain, your warship has been destroyed by the enemy again! You should grab your gun and go fix the fire!"...