Final answer:
SW2 Robert Stethem received the Purple Heart and the Bronze Star Medal posthumously for his heroism during the hijacking of TWA Flight 847 in 1985.
Step-by-step explanation:
SW2 Robert Stethem posthumously received two prestigious awards for his bravery and selflessness. These awards were the Purple Heart and the Bronze Star Medal, which are given in recognition of exceptional valor and meritorious service.The Purple Heart is a United States military decoration awarded in the name of the President to those who have been wounded or killed while serving with the U.S. military.
The Bronze Star Medal is awarded to members of the U.S. Armed Forces for heroic achievement, heroic service, meritorious achievement, or meritorious service in a combat zone. Stethem, being a Navy diver, displayed extraordinary heroism during the hijacking of TWA Flight 847 in 1985, which led to him being honored with these awards after his death.