WASHINGTON — NASA says its program to use commercial spacecraft to deliver payloads to the lunar surface is working well despite just a single fully successful landing in four attempts.At a NASA town hall meeting during this week’s Lunar and Planetary Sciences Conference, agency officials hailed the success of Firefly Aerospace’s Blue Ghost 1 lander, which touched down on the moon early March 2. The lander carried 10 NASA payloads for the agency’s Commercial Lunar Payload Services (CLPS) program.Brad Bailey, assistant deputy associate administrator for exploration in NASA’s Science Mission…