Admiral Art McDonald has voluntarily stepped aside amid allegations, Harjit Sajjan says.
Jonathan Vance allegedly made a sexual remark to another woman, Global News reports.
Kirk Sullivan has been running the @CAFinUS account since mid-2018.
The Canadian Armed Forces say only 24 cases are still active.
Four service members are still missing after the deadly April crash.
Capt. Jenn Casey was killed when her plane went down in a residential area in the B.C. Interior.
Capt. Jenn Casey died and Capt. Richard MacDougall was seriously hurt.
Six Canadians died while taking part in a NATO training exercise.
All Canadian Armed Forces reservists will be offered full-time employment until the end of the summer.
10 army units have been put into a high state of readiness.