The head of the US Navy has decided to pursue a fuller investigation into whether to undo the removal of Capt. Brett Crozier from his post aboard the USS Theodore Roosevelt.

“After carefully reviewing the preliminary inquiry into the events surrounding the COVID-19 outbreak aboard the USS Theodore Roosevelt (CVN 71), the Chief of Naval Operations, Adm. Mike Gilday, provided me with his recommendations,” acting Navy Secretary James McPherson said in a statement Wednesday.

“Following our discussion, I have unanswered questions that the preliminary inquiry has identified and that can only be answered by a deeper review.”

Crozier was ousted from his job as captain in March after comments he made about the coronavirus situation on the ship leaked.

McPherson was appointed to the interim position earlier this month, after his predecessor, then-acting Navy Secretary Thomas Modly, resigned after causing outrage for firing Crozier and calling him “stupid” and “naive” in an address to those on the ship in March.

With Modly gone, senior Navy leaders recommended to Esper that Crozier be reinstated as captain, Politico reports.

As of Tuesday, there were 940 active coronavirus cases aboard the USS Theodore Roosevelt, with 29 having recovered. One sailor has died since the virus reached the crew.