The twin spacecraft, named Blue and Gold, left Rocket Lab’s Long Beach facilities on Thursday to begin the trip to Florida. The EscaPADE mission will launch aboard Blue Origin’s first New Glenn rocket.

Firefly Aerospace’s Blue Ghost lander will deploy first and is designated as the primary payload and ispace’s Resilience lander will follow about 30 minutes after. Liftoff from pad 39A happened at 1:11 a.m. EST (0611 UTC).

A SpaceX Falcon 9 rocket overcame a rare in-flight engine failure soon after launch from Florida’s Space Coast Wednesday to place 60 satellites in orbit for the company’s Starlink Internet network. Elon Musk, SpaceX’s founder and CEO, promised a “thorough investigation” of the engine failure before the next Falcon 9 launch.