After retiring in 2007, Strobl accepted a position as an Operations Research Analyst in the Office of the Secretary of Defense (Cost Assessment and Program Evaluation) at the Pentagon.

He was appointed to the Senior Executive Service in September 2016 and served as the Deputy Director, Manpower Plans and Policy Division until assuming his current position in August 2021.

After he concluded the mission, he wrote an essay entitled "A Marine's Journey Home" from the notes in the diary and shared it with Phelps's father John.

Strobl's 12-page narrative essay followed his journey with the remains of PFC Phelps from the military mortuary at Dover Air Force Base to Philadelphia, Minneapolis, Billings, Riverton, and Dubois.

[10] Strobl received the Vietnam Veterans of America President's Award for Excellence in the Arts at the organization's national convention in Louisville, Kentucky in August 2009.