In 1975, at the height of the Cold War, with relations between Beijing and its former "loyal ally" Moscow at a low ebb, Lilley proposed that the US and China cooperate on monitoring Soviet nuclear tests in Central Asia from posts in Xinjiang. He named his project after his father-in-law, Waller B. Booth.
一九七五年，美蘇冷戰期間，中共已與它的「忠實盟友」蘇聯交惡多時，李潔明提出和中國合作在新疆偵測蘇聯核子試爆的構想，並以其岳父之名「華勒・B・布斯」的諧音做為方案代號。