In June 2021, Angarstroy implemented a joint project with Irish company JB Roche for a customer from the United States. The hangar was designed to house a stratospheric helium balloon for air mass research and air sample collection. The structure is made of a highly durable, frost-proof, abrasion-resistant materials. It is installed by a team of 8 people in 10 hours without the use of special equipment and lifting mechanisms. The first training installation is scheduled for a customer in 2021 in USA.