"His men would follow him anywhere, but only out of curiosity."
"I would not allow this officer to breed."
"This officer is really not so much of a has-been, but more of a definitely won't be."
"Since my last report, he has reached rock bottom and has started to dig."
"The only ship I would recommend this man for is citizenship."
"Works well when under constant supervision and cornered like a rat in a trap."
"When she opens her mouth, it seems that this is only to change whichever foot was previously in there."
"He would be out of his depth in a parking lot puddle."
"This young lady has delusions of adequacy."
"She sets low personal standards and then consistently fails to achieve them."
"This Officer should go far -- and the sooner he starts, the better.
And my personal favorite...
"This man is depriving a village somewhere of an idiot."