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‘Don Emmons and I, as well as many other Habus, had flown numerous at “Tomcat Chase” and “Eagle Bait” sorties against our best fighters—the Navy’s F-14s and the Air Force’s F-15s,’ says Richard H. Graham, former SR-71 Blackbird pilot, in his book SR-71 Revealed The Inside Story. ‘We flew the SR to provide the fighters practice at finding, tracking, locking on, intercepting, and simulated firing of their sophisticated F-14 “Phoenix” missile and the F-15 ‘s AIM-7M “Sparrow” at a high-altitude, high-speed target. The “Tomcat Chase” missions were flown over the Pacific Ocean and “Eagle Bait” missions the Nellis AFB training area.’
Until the latest technology of Air-to-Air missiles came along (the AMRAAM, a fire-and-forget missile which in the first versions had a range of about 35 miles), the AIM-7 Sparrow, the only all the long-range missile fielded by the US Air Force (USAF) required the aircraft’s radar to continue tracking the SR-71 long after the missiles were launched. The Sparrow had to remain locked-on to the SR-71 in order for its Fire Control System (FCS) to relay tracking information back to the missile, so it could make appropriate corrections, racing towards the target. By turning on their Defensive systems (DEF, pronounced “deaf”) SR-71 crews could easily deny the F-15 fighters any meaningful radar information to guide their missiles.
‘All I ever heard on the radios from the fighters as they sped underneath us was, “Ah damn it, we’re too late!” We tried for years to get SAC Headquarters approval to practice the same intercepts with Det 1’s SR-71s against Kadena’s F-15s. Every Det 1 Commander, particularly Col. Lee Shelton, pushed to get the practice intercepts approved because they believed a lot could be learned by both aircraft. Eventually SAC gave in to Colonel Shelton’s repeated requests and approved the practice intercepts. In order to get high enough to take a reasonable shot at us, F-15 crews were given special permission to do a zoom-climb to 50,000 to 55,000 feet before a simulated AIM-7 launch against the SR-71. They had permission to be above 50,000 feet for a maximum time of 90 seconds without wearing a pressure suit.’
Former SR-71 pilot, Capt. Steve “Griz” Grzebiniak, writes about the Kadena intercepts in Graham’s book SR-71 Revealed The Inside Story.
‘We flew the HABU as a high-altitude target for the F-15’s only on our infrequently scheduled “DEBBIE” training sorties. We were the fighter’s “training aid,” but it provided us with some valuable training and insight as well. I think it’s common knowledge that our aircraft and pilots are the finest in the world and if anyone could shoot down an SR-71, it would be one of our own.
‘Our pre-briefed mission required us to fly a specific track, at Mach 2.8 and no higher than 70,000 feet. In addition, we were required to fly over a designated point in space (the IP) and call our time out from the IP in one minute intervals starting five minutes back. If that wasn’t enough, we would dump some fuel at the IP to help the fighters get a visual “tally” on us. After each mission, we would debrief by phone, and the F-15 drivers would report “four AIM-7’s launched, four kills on the HABU.”
‘The next target sortie Jim and I flew had a different outcome. We were scheduled to make two passes over the intercept track. The F-15 guys were excited to have another chance to “smoke” the HABU. On the next pass, Jim and I flew the plan as briefed. One minute calls from the IP, on course, on altitude, Mach 2.8, “here’s some fuel dump guys, come and get us.”
‘The next pass was different.
‘I said to Jim that our F-15 jockeys are the best in the world, let’s give them a challenge. Jim and I knew that we were flying our favorite jet, tail number 962—she never let us down. We came down the track to the IP, making our one minute calls, but there was no fuel to dump because we were at 86,000 feet and Mach 3.2. The inlet doors were slammed shut and the jet was purring like a kitten. I made a shallow 10 degree bank turn, not so much to foil the F-15 ‘s intercept, but to allow Jim to see the contrails flailing below us.
‘In the phone debrief after the mission, the F-15 flight lead reported “four shots and four kills” on the first pass and mumbled something about radar problems and no kills on the second pass. Even with the world’s best planes, pilots, and missiles, it would take “a golden BB” [a lucky blind shot by the enemy] to bring down a HABU.’
Photo credit: MASTER SGT. Bill Thompson U.S. Air Force and Lockheed Martin
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