Denis M. “Denny” Dvorchak is a retired U.S. Army Master Army Aviator, Vietnam combat veteran, and longtime member of the Army attack helicopter community. During 23 years of distinguished Army service, he completed a combat tour in Hueys with B Troop, 2nd Squadron, 17th Cavalry Regiment, 101st Airborne Division, from May 1969 to April 1970.
Throughout his Army aviation career, Denny accumulated approximately 5,200 flight hours, including 2,000 hours in the UH-1 Huey, 2,000 hours in the AH-1 Cobra, and 1,200 hours in the AH-64A Apache. His later assignments at Fort Hood, Texas, included service as a Standardization Instructor Pilot and Weapons Technician with the Apache Training Brigade. He retired from the U.S. Army in July 1991.
Following his military retirement, Denny joined McDonnell Douglas Helicopter Company, now Boeing, where he spent more than 20 years supporting the AH-64 Apache program for the U.S. Army and international customers. His extensive Apache experience culminated in his position as Program Manager for the Singapore Apache program. He retired from Boeing in February 2014.
Denny holds a Bachelor of Science degree in Professional Aeronautics from Embry-Riddle Aeronautical University in Daytona Beach, Florida. His career represents more than four decades of service to Army aviation and the Apache community—as a combat aviator, instructor, weapons specialist, and industry program leader.