运-20机舱内，传来一段广播→

Group 1 - The article highlights the return of the twelfth batch of remains of Chinese People's Volunteer Army martyrs from Korea, emphasizing the significance of honoring these heroes [1][2] - The operation involved the Y-20 aircraft, which was escorted by four J-20 fighter jets, showcasing military honor and respect for the fallen [1] - The broadcast from the Y-20 aircraft expressed the nation's remembrance and gratitude towards the martyrs, reinforcing the emotional connection between the heroes and the homeland [1] Group 2 - Communication between the Y-20 pilot and the Dalian air traffic control center indicates a well-coordinated effort for the safe return of the remains, highlighting the professionalism of the military personnel involved [2] - The Dalian control center acknowledged the flight's approach and expressed respect for the martyrs, further emphasizing the collective national sentiment towards honoring these heroes [2]