Burnham was stationed at the Walter Reed Army Medical Center and he represented the Army at events such as: the Association of the United States Army National Convention, the Veterans of Foreign Wars National Convention, the NASCAR Daytona 500, and a Washington Redskins football game. He also joined comedian, now former Senator, Al Franken on a USO tour of Iraq and Afghanistan in December 2003. Medical Command Noncommissioned Officer of the Year In 2005 Burnham was promoted to Sergeant and reassigned to Fort Sam Houston. In 2007 Staff Sergeant Burnham won the title of NCO of the Year for the U.S. Army Medical Corps. Representing MEDCOM, he competed against NCOs from all 13 major commands in the U.S. Army Best Warrior Competition, but was unable to duplicate his victory from 2003. Physician Assistant Based on the board results from summer 2007 and after completing prerequisite courses at San Antonio College, Burnham attended the Interservice Physician Assistant Program at Fort Sam Houston beginning in April 2009 and graduated with a bachelor's degree in biology from the University of Nebraska Omaha in May 2010 and subsequently completed his Masters in Physician Assistant Studies at Tripler Army Medical Center in Honolulu, Hawaii in 2011. After receiving his commission, attending the Basic Officer Leader Course at Fort Sam Houston, and moving to Fort Drum, New York, he assumed his duties as Special Staff Officer to the Commander and Squadron Physician Assistant with the 1st Squadron, 89th Cavalry Regiment, 2nd Brigade Combat Team, 10th Mountain Division. Shortly after being promoted to Captain, Burnham completed his first tour to Afghanistan while serving as the Special Staff Officer to the Commander and Battalion Physician Assistant with the 1st Battalion, 32nd Infantry, 3rd Brigade Combat Team, 10th Mountain Division, in support of Operation Enduring Freedom 13-14, where he was awarded the Bronze Star medal and was recognized by the US Central Command Surgeon for outstanding leadership and battlefield medicine with the inaugural Ditch Medicine Award. Upon returning to the United States, Burnham was selected to attend the Army Medical Departments Captain’s Career Course, located at Fort Sam Houston, Texas as well as the U.S. Army Flight Surgeon Course in Fort Rucker, Alabama. After earning the U.S. Army Flight Surgeon Badge, Burnham was temporarily assigned to Headquarters and Headquarters Battalion (HHBN), 1st Cavalry Division, Fort Hood, Texas before being assigned to the 1st Battalion 227th Attack Reconnaissance Battalion (ARB)