Question: Which Air Force member was behind enemy lines for 11 1/2 days and had the largest,longest and most complex rescue mission?

<P0-S0> The rescue of Bat 21 Bravo, the call sign for Iceal "Gene" Hambleton, from behind North Vietnamese lines was the "largest, longest, and most complex search-and-rescue" operation during the Vietnam War. <SEP> <P1-S0>  He was aboard an EB-66 aircraft whose call sign was Bat 21. <P1-S1>  As the ranking navigator/EWO on the aircraft, he was seated immediately behind the pilot, giving him the call sign "Bat 21 Bravo". <P1-S2> Lieutenant Colonel Iceal E. "Gene" Hambleton, USAF (November 16, 1918 – September 19, 2004) was a United States Air Force navigator and electronic warfare officer who was shot down over South Vietnam during the 1972 Easter Offensive. <P1-S3>  He survived for 11½ days behind enemy lines until he was retrieved in a daring ground operation. <P1-S4>  His rescue was the longest and most costly search and rescue mission during the Vietnam War. <P1-S5>  He received the Silver Star, the Distinguished Flying Cross, the Air Medal, the Meritorious Service Medal and a Purple Heart for his actions during this mission. <SEP> <P2-S0> Operation Halyard (or Halyard Mission), known in Serbian as Operation Air Bridge (Serbian: Операција Ваздушни мост ), was an Allied airlift operation behind enemy lines during World War II. <P2-S1>  In July 1944, the Office of Strategic Services (OSS) drew up plans to send a team to Chetniks led by General Draža Mihailović in the German-occupied Territory of the Military Commander in Serbia for the purpose of evacuating Allied airmen shot down over that area. <P2-S2>  This team, known as the Halyard team, was commanded by Lieutenant George Musulin, along with Master Sergeant Michael Rajacich, and Specialist Arthur Jibilian, the radio operator. <P2-S3>  The team was detailed to the United States Fifteenth Air Force and designated as the 1st Air Crew Rescue Unit. <P2-S4>  It was the largest rescue operation of American Airmen in history. <P2-S5>  According to historian Professor Jozo Tomasevich, a report submitted to the OSS showed that 417 Allied airmen who had been downed over occupied Yugoslavia were rescued by Mihailović's Chetniks, and airlifted out by the Fifteenth Air Force. <P2-S6>  According to Lt. Cmdr. Richard M. Kelly (OSS) grand total of 432 U.S. and 80 Allied personnel were airlifted during the Halyard Mission. <SEP> <P3-S0> Colonel Daniel J. Miller was born in Stony Point, New York. <P3-S1>  He enlisted in the United States Army Air Forces during World War II and served in the 826th Bombardment Squadron as a navigator in a B-24 Liberator. <P3-S2>  During the Korean War, he flew various aircraft, including the F-86 Sabre jet fighter. <P3-S3>  In the late Korean War and throughout the Vietnam War, he flew helicopter rescue missions. <P3-S4>  He was awarded the Silver Star during the Korean War in the 3rd Rescue Squadron. <P3-S5>  He braved heavy enemy fire in low visibility to rescue USMC Major Frank H. Presley. <P3-S6>  Immediately after rescuing Presley, his P-51 fighter escort was shot down, and he once again braved the fire to attempt to rescue USAF Captain Willis R. Brown, but Brown had failed to eject and had perished. <P3-S7>  In addition, he was also awarded the Cheney Award for a rescue in February 1951, when he rescued six wounded soldiers behind enemy lines in three attempts despite snow and enemy fire. <P3-S8>  During Vietnam, he flew rescue missions and commanded a light reconnaissance squadron, the 19th Tactical Air Support Squadron.