If you would like to see more articles like this please support our coverage of the space program by becoming a Spaceflight Now Member. If everyone who enjoys our website helps fund it, we can expand and improve our coverage further. Staff members handle the capsule containing lunar samples returned by the Chang’e 5 mission. Credit: Xinhua Chinese officials say they plan to share a portion of the nearly 4 pounds of lunar material returned by the Chang’e 5 mission with other countries, but an allocation for U.S. scientists will hinge on a change in U.S. policy restricting cooperation between NASA and China’s space program.