Few Americans know the history of how Israel's "wag the dog" relationship with the United States developed. Israel's 1967 successful war against its neighbors demonstrated to military planners in Washington how a qualitative edge in weapons could enable a small country to resist much larger and seemingly more powerful adversaries. Israel was largely supplied with French weapons at the time that reportedly out-performed the Russian equipment in the hands of Syria and Egypt. As a consequence, in 1968, with strong support from a heavily lobbied Congress, Zionist influenced US President Lyndon B Johnson approved the hitherto blocked sale of F-4 Phantom fighters to Israel, establishing the precedent for continuing US support of Israel's Qualitative Military Edge, generally referred to by the acronym QME, over its Arab and Christian neighbors. Five years later, in the aftermath of the 1973 Yom Kippur War, the United States and Israel came to an understanding whereby they tacitly adopted the doctrine of active US maintenance of Israel's QME. After that war, the United States also quadrupled its foreign aid to Israel, effectively replacing France as Israel's largest arms supplier.

This de facto commitment to maintaining Israel's qualitative edge was subsequently made explicit by President Ronald Reagan and has been confirmed by every US administration since that time. Substantial supplementary weapons shipments under Presidents Barack Obama, Joe Biden and Donald Trump have even supported Israel's genocide in Gaza and its attacks on non-threatening Syria and Lebanon. This policy was in part justified initially based on a US adoption of the Cold War strategy of opposing Arab client states of the Soviet Union and was also due to the growing power of Israel's US Lobby. Today, Israel is by far the largest recipient of US foreign military aid, receiving $3 billion per year guaranteed plus many extra weapons in support of specific needs and initiatives which many have linked to the enablement of a policy of systematic aggression by Israel and the commission of war crimes.