Attacks on US troops: The United States is planning to launch retaliatory attacks against Iran-backed groups in retaliation for a recent drone attack on American troops that killed three soldiers and injured over 40, but has stressed that it is not looking for war with Tehran. The US is contemplating several options as pressure grows on President Joe Biden for an immediate tit-for-tat assault.Attacks on US troops: The United States is planning to launch retaliatory attacks against Iran-backed groups in retaliation for a recent drone attack on American troops that killed three soldiers and injured over 40, but has stressed that it is not looking for war with Tehran. The US is contemplating several options as pressure grows on President Joe Biden for an immediate tit-for-tat assault.