cosrocs logo
COSROCS is BIG on education!!
Go here to learn about what we can do for your group.
starsnstripes   cool     future15  
Video of the Ball Interns' Stars 'N' Stripes flight at Chiliblaster/ULA/Ball launch on 7/18/15. This is an N class rocket with multiple payloads.    

COSROCS does a huge amount of educational work. Dozens of young potential rocket scientists built their first model at the annual Cool Science Carnival at UCCS.

Video of the ULA interns' Future flight at Chiliblaster/ULA/Ball launch on 7/18/15. This is a HUGE O-class rocket, with many payloads.


General Notices:
   City fire restrictions are lifted as of 6 Jan 2023.
   County fire restrictions are lifted as of 6 Jan 2023.
   Second Saturday Peyton launches are allowed at land owner's discretion.
   Fourth Saturday Challenger launches are allowed with no restrictions.
   Follow the links above to verify current status.

Upcoming Events:

   Model Rocket Launch at Challenger Middle School
   Saturday, 28 January, 9:00am setup
   Go to the Rocktivities page for directions.
   Monthly Club Meeting at HobbyTown USA North
   Wednesday, 1 February, 6:30-8:00pm
   Go here for store location information.

ALWAYS check this page for any last-minute updates
before proceeding to a launch site!


Join our club discussion forum here on the platform!

Printable membership application 48k PDF

green t
We have club T-shirts! Inquire at a meeting or launch. Multiple styles are available.


COSROCS is a non-profit community service provider and is sensitive to people who prefer not to have their photos posted. We have thousands of photos and videos posted from over twenty five years of community service. If you object to having your likeness on the site, please contact the webmaster and we will remove it (them).

COSROCS promotes Science, Technology, Engineering and Math (STEM) education through fun and friendship, and is a community service non-profit organization.


COSROCS records




about us
garage saleHome