H. David Reed, a longtime Carlisle resident, died February 22 at the age of 80 after a long and courageous battle with leukemia. He was born in Scottsbluff, Nebraska and raised in Billings, Montana. After earning a B.S. in Mechanical Engineering from University of Wyoming in 1964, he joined the National Aeronautics and Space Administration (NASA) in Houston, Texas, becoming a mission controller responsible for tracking and trajectory dynamics. In this capacity he was a Flight Dynamics Officer for Apollo Flights 5, 9, 11, 12, 13 and 14. He was the prime Flight Dynamics Officer for Apollo 13 and was a joint recipient of the Presidential Medal of Freedom as a result of his contributions in the safe return of the crew. Dave was involved in developing pinpoint landing techniques that made focused lunar research possible. The Apollo 14 crew named a crater on the moon for Dave in recognition of his many contributions to the Apollo Program. While growing up in Billings, Dave discovered his passion for rocketry and while in grammar school and high school he built, blew up and launched rockets in his backyard. Always wanting to work for NASA. After leaving NASA in 1971, he moved to Carlisle, MA and joined the R&D Division of the U.S. Department of Transportation in Cambridge. There he developed the satellite data fusion facility and created the Intransit Group that was involved in pioneering the introduction of integrated satellite communications systems, radio frequency identity tags, and GPS positioning in the enforcement of UN sanctions against Serbia/Montenegro. He traveled all over the globe in support of multiple federal agencies, introducing new technologies in Bosnia, Haiti, Mogadishu, Somalia, S. Korea, and the Arabian Peninsula. In 2010, he was inducted into the College of Engineering and Applied Science Hall of Fame at his alma mater, a tribute from the University of Wyoming for all of his accomplishments. In September 2019, David was the Keynote Speaker at the Air Force Ball at the National AF Museum at Wright-Patterson AB, honoring the 50th Anniversary of the Apollo 11 Moon Landing. Since settling in Carlisle, MA in 1973, he remained active in the community. Over the years volunteering with local theatre, youth sports, the Boy Scouts, the Carlisle School Band and organizing neighborhood block parties. For decades, he was involved with or ran Old Home Day, the cherished town-wide yearly family celebration. For many years, he rode in the Old Home Day parade in his beloved 1961 white Corvette convertible. In 2019 Dave and his wife (Florence) were the joint recipients of the Honored Citizen Award for their contribution to the community. He was also an early adaptor to solar energy and was always working on ingenious projects that could save time, energy, and money. His garage was full of his tools of the trade, where he was always working on another of his daily brainstorms. Dave is survived by his wife Florence of Carlisle; his son Jason and daughter-in-law Lara Hirner of Stow; and his sister Nancy and brother-in-law Wayne Topp of Tampa, Florida. He is pre-deceased by his loving mother, Mildred. A celebration of his life will be held at a later date. In lieu of flowers, donations can be made to the Dr. Vincent Ho's Research Fund at Dana Farber Cancer Institute, P.O. Box 849168, Boston, MA 02284. Check to Dana Farber and Dr. Vincent Ho's Research Fund in memo section. Arrangements are under the care of Dee Funeral Home & Cremation Service of Concord.