Rocket Lab is challenging NASA's selection of a Mars communications orbiter deal to Blue Origin. The contract is worth up to $700 million. In 2021, Blue Origin contested NASA's pick of SpaceX for a crewed lunar lander. That challenge was connected to the lunar lander award.
Now Blue Origin has won the Mars orbiter contract. Rocket Lab is contesting the decision. Rocket Lab's challenge is the ongoing dispute. This time, Blue Origin has won the award and Rocket Lab stands as the challenger.