COL Francis A. "Frank" Daniels was commissioned an Armor Corps Officer upon graduation from Infantry Officer Candidate School, Class 6-72, on 4 October 1972 at Fort Benning, Georgia. Following graduation from the Armor Officer Basic Course at Fort Knox, Kentucky, his first assignment was as Training Officer, Company A, 8th Battalion, 4th Training Brigade, Fort Knox, Kentucky.

His subsequent duty assignments include: Individual Mobilization Augmentee (IMA) assignments as an Operations Research Analyst with the United States Army Combined Arms Operations Research Activity (USACAORA), Fort Leavenworth Kansas; Research Development Coordinator at the United States Army Material Systems Analysis Activity (USAMSAA), Aberdeen Proving Grounds, Maryland; Technical Supply Officer, 157th Support Battalion, Edgemont, Pennsylvania; S-3, 157th Support Battalion, Edgemont, Pennsylvania; Commander, Company C, 157th Support Battalion, Edgemont, Pennsylvania; Executive Officer, 6th Battalion, 68th Armor Regiment, Allentown, Pennsylvania; Commander, 157th Support Battalion, Edgemont Pennsylvania; Assistant Chief of Staff, G4, 304th Civil Affairs Brigade, Philadelphia, Pennsylvania; Civil Military Operations Coordinator, Joint Task Force GUARDIAN ASSISTAE, United States European Command, Rwanda; Deputy G-5, National Support Element, United States Army Europe (USAREUR) Forward (FWD), Operation Joint Forge, Taszar, Hungary; Public Facilities Team Chief, 304th Civil Affairs Brigade, Philadelphia, Pennsylvania; Chief, Combat Service Support Branch, 1st Exercise Group, 78th Division, Edison, New Jersey; Joint Team Leader, U.S. Army Joint Reserve Unit, Defense Supply Center Philadelphia, Philadelphia, Pennsylvania; and Theater Commander, Defense Contingency Support Team, CENTCOM, Defense Logistics Agency, Operation Enduring Freedom, Kuwait/Afghanistan.

His military education and training includes: Armor Officer Basic and Advanced Courses, United States Army Command and General Staff College, United States Army Civil Affairs Officer Advance Course, and the United States Army War College.

His military awards include: the Legion of Merit (w/ OLC), Defense Meritorious Service Medal, Meritorious Service Medal (w/2 OLC), Joint Service Commendation Medal, Army Commendation Medal (w/2 OLC), Joint Service Achievement Medal, Army Achievement Medal (w/ OLC), Army Reserve Component Achievement Medal (w/2 OLC), National Defense Service Medal (w/ Star), Armed Forces Expeditionary Medal, Global War On Terrorism Service Medal, Armed Forces Service Medal, Army Service Ribbon, Overseas Service Ribbon (w/ 2 Numeral), Army Reserve Component Overseas Training Ribbon, Armed Forces Reserve Medal w/M Device and 30 Year Gold Hourglass, NATO Medal, and Army Staff Identification Badge.

After retiring from the United States Army Reserve in December 2002, Colonel Daniels was recalled to active duty voluntarily from October 2007 to October 2009 to serve as the Chief of Staff (CofS), Medical Evaluation Board and Physical Evaluation Board Task Force, Office of the G-1, United States Army where he simultaneously served from July 2008 to October 2009 as the CofS for GEN(R) Fred Franks Jr. as he conducted a Medical Evaluation Board/Physical Evaluation Board Process Review for the Army CofS; October 2010 to November 2010 to conduct a review of the Medical Evaluation Board/Physical Evaluation Board Process Report written w/GEN(R) Franks, and August 2011 to March 2015 to represent the Army as a Presiding/Line Officer for the Congressionally Mandated Physical Disability Board of Review for which the Air Force was the Executive Agent.