Trump nominates loyalist Hung Cao to be permanent navy secretary
Acting secretary picked for top role as critics accuse president of overworking sailors during war with Iran

TL;DR
- Donald Trump nominated acting Navy Secretary Hung Cao for the permanent role.
- Cao is a combat veteran with 25 years of service in the Navy.
- Critics, including Democrats, accuse Trump of overworking sailors during the Iran war.
- Concerns were raised about the USS Abraham Lincoln's nine-month deployment and its impact on crew mental health and supplies.
- Cao previously supported service members refusing the COVID-19 vaccine.
- The nomination comes amid other leadership changes in the US military, including the resignation of Army Secretary Dan Driscoll.