自去年6月伊朗與以色列之間爆發12天戰爭、期間美國對伊朗關鍵核設施發動空襲後，伊朗經濟一直處於懸置狀態。許多人認為，問題不是「會不會再爆發衝突」，而是「何時」。
"NASA must standardize its approach, increase flight rate safely, and execute on the President’s national space policy. With credible competition from our greatest geopolitical adversary increasing by the day, we need to move faster, eliminate delays, and achieve our objectives," said Isaacman. "Standardizing vehicle configuration, increasing flight rate and progressing through objectives in a logical, phased approach, is how we achieved the near-impossible in 1969 and it is how we will do it again."
to support these cards was the very first of the midrange line, the 1969
（六）放射性同位素，是指化学元素中具有相同原子序数，但质量不同且能发生放射性衰变的核素。