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Who We Are:The Experimental Sounding Rocket Association (ESRA) is a non-profit organization founded in 2003 for the purpose of fostering and promoting engineering knowledge and experience in the field of rocketry. ESRA's primary focus is providing safe and exciting opportunities for academic groups to compete in aerospace challenges.
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What We Do:
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Each year, we accept over 150 collegiate teams from around the world to compete for the prestigious title of overall winner! Each team designs, builds, tests and launches rockets with a payload size of 2.2 pounds and target altitudes of either 10,000, 30,000 or 45,000 feet. Rockets are typically 4 to 8 inches in diameter and 8 to 20 ft. long. Multistage rockets and all chemical propulsion types (solid, liquid, and hybrid) are allowed.
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Register for the 2025 IREC
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The IREC has been an annual occurrence since 2006. The competition achieved international status in 2011 – when schools from Canada and Brazil joined – and has continued to grow rapidly ever since. More than 1,800 students attended the 2024 competition, representing over 120 schools from 22 countries on 5 different continents.
ESRA has operated the International Rocket Engineering Competition (IREC) since 2006.
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The 2025 IREC will be hosted in MIDLAND,TEXAS Monday, June 9 - 14, 2025.
ESRA welcomes the following partners & sponsors to the 2025 IREC in Midland, Texas:
2025 IREC Sponsors
Platinum Level Sponsor
Gold Level Sponsor
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Silver Level Sponsor
Bronze Level Sponsors
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Supporting Sponsors
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2025 IREC Media Partners
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DONATE TODAY!
Not ready to become a sponsor but able to make a tax deductible donation?
Donations are always welcome and 100% of the proceeds go directly to supporting ESRA's mission!
Donations are always welcome and 100% of the proceeds go directly to supporting ESRA's mission!