The decision scales back the American presence in Saudi Arabia just months after the Pentagon began a military buildup there.
The coronavirus pandemic has forced militaries and militias to adapt to an invisible enemy, even as conflicts grind on.
There was no word from the Houthis, raising concerns whether the initiative could translate into concrete change.
The move follows a host of new restrictions placed on foreign troops, including limiting their access to bases.
Qassim al-Rimi is believed to have died as a result of the attack but his death has not been confirmed.
The top U.S. commander in the Middle East spent a few hours meeting with his commanders and troops in Saudi Arabia.
Operational training for the approximately 850 Saudis at multiple U.S bases was suspended on Dec. 10.
Saudi trainees were found to have connections to extremist movements or be in possession of child pornography.
Some 850 Saudi students were subject to additional screenings after a deadly mass shooting.
It's perhaps unsurprising that the dominant themes have been turnover and conflict -- internal as well as external.