air force one and some El Al planes were/are fitted with countermeasures. https://en.wikipedia.org/wiki/El_Al#Onboard_missile_defense_systems https://en.wikipe

air force one and some El Al planes were/are fitted with countermeasures. https://en.wikipedia.org/wiki/El_Al#Onboard_missile_defense_systems https://en.wikipedia.org/wiki/El_Al#Onboard_missile_defense_... https://en.wikipedia.org/wiki/Boeing_VC-25 https://en.wikipedia.org/wiki/Boeing_VC-25 >All wiring is covered with heavy shielding for protection from a nuclear electromagnetic pulse in the event of a nuclear attack. The aircraft also has electronic countermeasures (ECMs) to jam enemy radar, flares to avoid heat-seeking missiles, and chaff to avoid radar-guided missiles