US Navy has 2 aircraft carriers in the Mediterranean and one in the Persian Gulf.
Hezbollah has a strong force in Mexico.
Iran has a top drawer cyber warfare brigade.
Gaza is becoming rubble. Israeli tanks will be useless in bombed out rubble.
Biden drained our Strategic Petroleum Reserve.
Egypt has 100,000 troops on the border with Gaza.
Israel is waiting for American ships to arrive and also for THAAD (Terminal High Altitude Area Defense) to protect Israel from Hezbollah and Iran.
Iran has the Mach 12 Kinzhal missile which digs a hole 98 feet deep where its target used to be.
If the US carriers stay by Sicily, they would be out of range of a Kinzhal missile fired from the Black Sea. But, if Turkey gave their permission, they could easily hit it from Turkey.
Alternatively, they could fire a Mach 20 Avangard missile using older ICBMs to get them into space from which the Avangard missiles could be fired.