Casey was promoted from Major to Colonel. The next grade is LTCOL, addressed when speaking as Colonel. So his next rank, unless he skipped a grade would be LTCOL. LTCOL rank insignia are oak leaves. A full Colonel wears an eagle. His dress uniform in the coffin shows him wearing Eagles, a grade too high. Again unless he skipped a grade. See more
All right so we gotta chop his arm off.
His left one, right? I was planning on doing it with this.
[Holds up a knife
Not with a knife! No. Too dull.
What we need is a surgical saw. I got one in the other room. Yeah, you mess up the hand, you won't be able to open the vault.