Summer is nearly back on the Space Coast, with warm temperatures and a persistent threat of rain in the afternoon and evenings — typical weather here, and it will stay this way for several months. That being said, Atlas V was able to beat the weather last night and launched at the opening of its window, with liftoff at 7:01 PM ET after an apparently quiet countdown, save for some concerns about the energy potential of a nearby anvil cloud (Cumulonimbus incus) lingering near the launch pad before dissipating.

The launch carried 27 Amazon Kuiper satellites to orbit. These were the first operational units of Amazon’s planned Internet service constellation, which is planned to feature some 3,236 units when fully built out.