The Brief NASA is moving up a key Artemis II rocket test to avoid worsening cold weather at Kennedy Space Center. NASA is moving up a key test of its Artemis II rocket as unusually cold weather grips Central Florida, forcing officials to adjust schedules at Kennedy Space Center. The test will take place on Launch Pad 39B, where the Artemis II rocket remains stacked and ready. NASA said engineers are preparing environmental control systems to ensure the Orion spacecraft and Space Launch System rocket remain within required temperature ranges as a cold front moves across the state. When is Artemis II launching?