Rubio was a member of the Civil Air Patrol's Ponce High School Cadet Squadron, Chapter 52012/PR012, Puerto Rico Wing, from 1952 to 1956.

[2][3] While aiding the evacuation of wounded personnel, he noted that a US smoke grenade, which was intended to mark the Viet Cong's position for an air strike, had fallen dangerously close to friendly lines.

[2][3] Rubio's singularly heroic act turned the tide of the battle, and for his extraordinary leadership and valor, he posthumously received the Medal of Honor in 1968.

Rubio was wounded a third time as he selflessly exposed himself to the devastating enemy fire to move among his men to encourage them to fight with renewed effort.

While aiding the evacuation of wounded personnel, he noted that a smoke grenade which was intended to mark the Viet Cong position for air strikes had fallen dangerously close to the friendly lines.

Rubio's singularly heroic act turned the tide of battle, and his extraordinary leadership and valor were a magnificent inspiration to his men.

His remarkable bravery and selfless concern for his men are in keeping with the highest traditions of the military service and reflect great credit on Capt.

The United States Department of Veterans Affairs Outpatient Clinic in Ponce was named in memory of Captain Eurípides Rubio.

Rubio's name is inscribed in "El Monumento de la Recordación" (Monument of Remembrance), dedicated to Puerto Rico's fallen soldiers and situated in front of the Capitol Building in San Juan.