1 , ▁ 1 9 1 1 ▁S ible y ▁served ▁as ▁the ▁ 2 8 th ▁ ▁Command ant ▁of ▁Cad ets ▁at ▁West ▁Point . ▁He ▁was ▁then ▁promoted ▁to ▁the ▁Colonel cy ▁of ▁the ▁ 1 4 th ▁United ▁States ▁Caval ry ▁Regiment ▁on ▁March ▁ 3 , ▁ 1 9 1 1 . ▁In ▁that ▁position ▁S ible y ▁took ▁part ▁in ▁the ▁Pan cho ▁Villa ▁Ex ped ition ▁of ▁the ▁Border ▁War ▁into ▁Mexico ▁in ▁ 1 9 1 6 . ▁In ▁July , ▁ 1 9 1 6 ▁he ▁was ▁appointed ▁a ▁Brig ad ier ▁General , ▁and ▁due ▁to ▁his ▁age , ▁retired ▁from ▁the ▁United ▁States ▁Army ▁in ▁October , ▁ 1 9 1 7 ▁after ▁ 4 2 ▁years ▁of ▁service ▁in ▁the ▁United ▁States ▁Caval ry . ▁Frederick ▁W . ▁S ible y ▁died ▁on ▁February ▁ 1 7 , ▁ 1 9 1 8 , ▁and ▁is ▁buried ▁beside ▁his ▁wife ▁F anny ▁in ▁Section ▁ 2 ▁of ▁the ▁Ar ling ton ▁National ▁C emetery ▁in ▁Washington , ▁D . C .. ▁ ▁See ▁also ▁▁ ▁Battle ▁of ▁Pow der ▁River ▁ ▁References ▁▁▁ ▁Fin ert y , ▁John ▁F . ▁War - Path ▁and ▁B iv ou ac ▁ 1 8 9 0 . ▁p gs . ▁ 1 7 3 – 1 9 6 ▁ ▁Category : B ur ial s ▁at ▁Ar ling ton ▁National ▁C emetery ▁Category : 1 8 5 2 ▁birth s ▁Category : 1 9