Israel’s RT Aerostat Systems (see here previously) is showcasing its innovative mobile advanced aerostat (air balloon) platforms to U.S. Customs and Border Protection and other security agencies at the Border Security Expo in Phoenix. They are designed for extreme weather conditions.

https://www.jns.org/wire/rts-advanced-aerostat-technologies-poised-to-take-border-security-to-the-next-level/