Sometimes I am in the mood to draw rockets, spaceships and such stuff, you sure know that mood. I drew it for using on a shirt for my son.
This is a completely free image Spaceship and academy insignia that you can download, post, and use for any purpose.
Image License: CC0 No Rights Reserved
You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission, and at no cost. This image is completely free.