On Thursday July 25th, 2019 SpaceX launched the 18th Cargo Resupply Service to the ISS from SLC-40 at Cape Canaveral, Florida. Two ETID designed Polar units were hard mounted and powered and one Polar unit was soft stowed in the Dragon Capsule. 

 

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Falcon 9 Rocket Taking off from Cape Canaveral, Florida for CRS-18.