"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. 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." Source: Part of a sharply-worded report from NASA’s independent Aerospace Safety Advisory Panel that deemed the existing plans too risky.
