US officials acknowledge that airstrikes against Houthi militants in Yemen won’t deter the group from attacks that have roiled commercial shipping in the Red Sea. Yet that doesn’t mean the military campaign will stop anytime soon.

President Joe Biden candidly described the dilemma Thursday when he was asked about the efforts to weaken Houthi capabilities after the Iran-backed group’s series of drone and missile strikes disrupted shipping in in the Bab el-Mandeb Strait, a vital trade waterway.