WASHINGTON — Rep. Charles Rangel lashed out Thursday against the Obama administration’s strategy against ISIS, saying the US shouldn’t be bombing the brutal terrorists because “we haven’t the slightest idea” of whom we’re killing.

Actually, we do have some idea, if the Syrian Observatory for Human Rights is to be believed.

The UK-based group reported Thursday that US-led airstrikes in Syria are known to have killed 553 people, including 464 ISIS fighters, 57 militants from the Jabhat al-Nusra and 32 civilians.

Rangel told MSNBC that he didn’t “see where [ISIS] is a threat to our national security.”

Rangel suggested a war tax and a draft if the US continues a military campaign.