EOSS Flight Archives

EOSS-360 AIAA RMS Sponsored DSST and Wheat Ridge and Northfield Launch - Recap

EOSS Flight 360 was launched from Deer Trail CO  May 18, 2024 at 7:07 am reaching an altitude of over 101,000ft.


The students (in over 20 cars) meet in Lindon CO to await landing information.  The arrival in Lindon was shortly after burst; however we followed the decent and as the parachute and payloads came closer we scanned the sky and finally saw them floating over highway 36.


It was a difficult retrieval, so the EOSS team brought the payloads to the students in Lindon.




EOSS-358 & 359 EPIC Littleton & Colorado Space Grant Consortium Flight - Recap

Summary: Two balloons were launched on Saturday, May 4 from Deer Trail Colorado.

EOSS-355/356/357 Metro State University Intro2Space & CU-Boulder Gateway to Space - Recap

On Sunday, 21 April 2024, three Lite (Exempt) balloons were launched from Deer Trail School in Deer Trail, Colorado.  Weather was cloudy, with a temperature of 32 degress in light Southeast winds.

EOSS-355, the first balloon, was for Metro State University Intro2Space Program, was a 3000 gram balloon launched at 0718 (ALL TIMES MDT) and ascended to 109,842 feet altitude when it released at 0847.  It landed at 0934 near Mt Pearl, CO at 38.9567 North, -102.7625 West.

EOSS-354 NDIA Flight - Recap

On Sunday, March 17, 2024, one 2000 gram balloon was launched from Deer Trail Colorado carrying student payloads sponsored by the Rocky Mountain Chapter of the National Defense Industrial Association (NDIA  --  https://ndiarmc.org/ ). 

The payloads consisted  of 250 student experiments inside 3 Payload boxes.  These experiments were from schools in Colorado, Wyoming, Texas, Louisiana, Georgia, Pennsylvania, Arizona, Virginia and Mississippi.

EOSS-351/352/353 Evergreen HS, Westminster HS, & Golden HS Flight - Recap

On Saturday, December 2, 2023 three 1500g balloons were launched from Deer Trail Colorado, carrying payloads from three Denver area high schools.

EOSS-350 COSGC Fall Launch - Recap

The launch on November 11, 2023 from Deer Trail, Colorado was flight EOSS-350, one 3000g balloon, launch time was 6:57am. There were 24 payloads from COSGC, it was a site to see the balloon go up followed by 24 payloads covered in shiny silver tape reflecting the sun.

EOSS-348/349 MSU - Intro to Space & Littleton Schools EPIC program - Recap

Two 3,000 g balloons were launched from Deer Trail on November 4, 2023.  Both flights landing NorthEast of Kit Carson.

The Deer Trail parking lot was full of cars for the two launches. It was estimated over 100 cars and how many would follow us out to recovery?  It turned out 10 student/parent cars went out with each balloon.  Thank you to both schools for bringing coffee, donuts, juice, and snacks.  A big thank you for making Deer Creek School look spiffy after much eating, gluing, taping, weighing, and stringing  of payloads.

EOSS-347 NDIA Flight - Recap

A single 1500g balloon was launched at 8:07 am MDT on October 21, 2023 from Deer Trail School carrying student expreiments from a variety of schools. The balloon reached a height of approximately 86,000 feet and landed south of Arickaree, Colorado.

Link for EOSS member mileage reimbursement


EOSS-346 Training/Qual Flight - Recap


We conducted cross-training for EOSS member on stringing and powering up flight payloads and filling the balloon for flight.  

EOSS-345 Colorado Space Grant Consortium Summer Launch - Recap

A single 3000g balloon was launched on July 29, 2023. Text book perfect is a comment I heard today!  The balloon was released at 102,479'