Israel-Iran military strength Shadow warfare between Israel and Iran increasingly threatens to spill over into open conflict. Iran avoids state-on-state hostility, instead pursuing asymmetrical warfare through proxy armies ISRAEL Defence spending IRAN $23.41bn $6.85bn Active personnel 169,500 587,000* Ground forces 126,000 Ground forces 150,000 Air forces 34,000 Air Forces 37,000 Navy 9,500 Navy 18,000 Main battle tanks 2,200 4,070 Armoured vehicles 7,000 Armoured vehicles 8,500 Combat aircraft 339 334 Including 50 F-35s Warships 101 including 19 submarines 67 including 5 submarines Ballistic missiles ≈ 90 Jericho III Intercontinental 3,000+ Ballistic Missiles *Includes Islamic Revolutionary Guard Corps: Upward of 190,000 troops plus Basij paramilitaries. Proxy armies include Hamas and Palestinian Islamic Jihad in Gaza, Hezbollah in Lebanon and Shia militaries in Iraq amounting to estimated 200,000 fighters Sources: International Institute for Strategic Studies, SIPRI Pictures: Getty Images © GRAPHIC NEWS