Biographies


Col. Joseph Sheffield	Col. Seth Spanier	CMSgt. Keelan Rasmusson
Commander	Vice Commander	Command Chief


Col. Derek C. Oakley	Col. Nathan Mitchell	Col. Patrice Holmes	Col. Michelle A. Schnakenberg
28th Operations Group Commander	28th Maintenance Group Commander	28th Mission Support Group Commander	28th Medical Group Commander

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

COLONEL PATRICE O. HOLMES

Col. Patrice Holmes is the commander of the 28th Mission Support Group, Ellsworth Air Force Base, South Dakota. She leads a group of nearly 2,000 military, civilian and contractor professionals in planning, organizing, coordinating and implementing installation services and support to more than
COLONEL NATHAN B. MITCHELL

Col. Nathan Mitchell is the commander of the 28th Maintenance Group, Ellsworth Air Force Base, South Dakota, where he directs all flight line and heavy maintenance efforts of the 28th Bomb Wing to ensure the readiness of Ellsworth's B-1B Lancer bombers to support daily flying activities, exercises
COLONEL DEREK C. OAKLEY

Col. Derek Oakley is the commander of the 28th Operations Group, Ellsworth Air Force Base, South Dakota. He commands the largest operational B-1 group in the U.S. Air Force with one operational support squadron, two bomb squadrons and operations of the Powder River Training Complex.
Chief Master Sergeant

CMSgt. Keelan Rasmusson

Chief Master Sergeant Keelan P. Rasmusson is the Command Chief for the 28th Bomb Wing, Ellsworth Air Force Base, South Dakota. Chief Rasmusson leads the wing’s enlisted force and serves as the primary advisor to the wing commander and senior leaders on all matters concerning the morale, welfare,
COLONEL MICHELLE A. SCHNAKENBERG

Col. Michelle A. Schnakenberg is commander of the 28th Medical Group, Ellsworth Air Force Base, South Dakota. She commands more than 240 active-duty military and civilian members, and, is responsible for ensuring maximum wartime readiness by operating a community-based healthcare system maintaining
COLONEL JOSEPH L. SHEFFIELD

Col. Joseph L. Sheffield is commander of the 28th Bomb Wing, Ellsworth Air Force Base, South Dakota, the largest B-1 combat wing in the United States Air Force, with more than 12,000 active duty military, civilian employees, and family members. He provides combat-ready aircraft, crews and associated
Colonel

COLONEL SETH W. SPANIER

Col. Seth W. Spanier is the vice commander of the 28th Bomb Wing, Ellsworth Air Force Base, South Dakota. He serves as the second in command of the largest B-1 combat wing in the U.S Air Force, with more than 7,740 military members, civilian employees and family members.

Biography Alphabetical List

COLONEL PATRICE O. HOLMES

COLONEL NATHAN B. MITCHELL

COLONEL DEREK C. OAKLEY

CMSgt. Keelan Rasmusson

COLONEL MICHELLE A. SCHNAKENBERG

COLONEL JOSEPH L. SHEFFIELD

COLONEL SETH W. SPANIER