Given that U.S. military aid to Israel was $2.775 billion in 2010, $3 billion in 2011, $3.07 billion in 2012 (and $3.15 billion per year from 2013-2018) while Israel's defense budget is around $15 billion, it made us wonder how much Israeli taxpayers contribute and where the other $12 billion non-U.S. aid comes from.
https://www.businessinsider.com/heres-how-much-america-really-spends-on-israels-defense-2012-9