The phrase "senior commanders" refers to higher-ranking leaders in an organization or military. They have authority and responsibility over a group of people and make important decisions. Full definition
Brigadier General Paul Bontrager, acting senior commander of Fort Drum, delivered remarks at the start of the Senate's session. (timesunion.com)
During an interview with Tim Ferriss, Willink shared that when he met regularly with senior commanders he made it a point to refuse to ask for additional supplies unless they were absolutely critical. (entrepreneur.com)
His expert analysis has led him to regularly brief senior commanders at the Pentagon, with The New York Times saying, «There is a temptation, when you are around George Friedman, to treat him like a Magic 8 - Ball.» (mauldineconomics.com)