The long-awaited contract signing pushes back first delivery by four years to 2026, with the program now concluding a year later than scheduled in 2029.
NASA and Roscosmos are probing an ammonia coolant leak in the aft instrument compartment of the Soyuz MS-MS-22 crew capsule at the International Space Station.
The RQ-4B introduction comes as the Japanese Defense Ministry published a new national defense strategy, which includes greater investment in uncrewed systems.
The Canadian-based executive wants the government to keep the Canadian Multi-Mission Aircraft program open to competitive bids, including the Global 6500.