Staff Sergeant Glenn E. Palmer distinguished himself by meritorious achievement as a Special Operations Combat Controller while engaged in ground operations against an opposing armed force at Port Salinas Airport, Grenada from 25 October 1983 to 26 October 1983. 

Sergeant Palmer was among the initial airland assault combat forces to arrive on Grenada. While under small arms and continuous sniper fire, he was responsible for establishing navigational aids, marshaling arriving aircraft and coordinating air support for the Ground Force Commander.

He was also responsible for providing vital forward air guide services which successfully eliminated several direct enemy threats to the airfield. Additionally, he assisted in the critical and orderly evacuation of United States citizens. He put forth the maximum professional effort while exposed to hostile firepower. 

The exemplary leadership, personal endeavor, and devotion to duty displayed by Sergeant Palmer in this responsible position reflect great credit upon himself and the United States Air Force.