In June 2024, he was nominated for promotion to lieutenant general and assignment as commander of First United States Army.

[7] In 1986, U.S. Representative Jimmy Quillen appointed Landes to the United States Military Academy at West Point, which he attended from 1986 to 1990.

[10] In 2007, Landes was assigned to command 2nd Battalion, 23rd Infantry Regiment, which he led during operations in the Diyala Governorate as part of the Iraq War troop surge of 2007.

[10] After completing his command tour, he was assigned to the Operations Group at the Fort Polk Joint Readiness Training Center.

[10] Landes served as executive officer to the Vice Chief of Staff of the United States Army from 2014 to 2016.