The “Iran War” – on the Halachic Frontlines

Is it prohibited to go to Minyan when the “Home Front Command” and Chief Rabbis say not to go?
Can you carry a phone on Shabbos to hear the warnings of incoming missiles?
Can you leave on the news (radio, TV, Internet) on Shabbos to hear what’s going on?
Should we say Hamapil before sleep, since we may need to immediately head to the bomb shelter?
Do you need to wash Netilas Yadayim before heading to a bomb shelter in the middle of the night?
Does the IDF need to be concerned that the bombing of nuclear reactors could cause “collateral damage” to millions of Iranian citizens?
What’s life like right now living in Israel with regular Iranian missile attacks?