“The total lifecycle cost of the mission is currently $3.35 billion, approximately double the proposed cost.”
Dragonfly was supposed to launch in 2026. It now goes in July 2028 and reaches Titan in 2034. NASA blames COVID, supply chains and “the results of an in-depth design iteration,” which is agency for the design wasn’t done. The budget doubled and NASA approved it anyway, then added money for a heavy-lift rocket to make up for lost time.