Air Education and Training Command, with headquarters at Joint Base San Antonio-Randolph, Texas, was established and activated in January 1942, making it the oldest major command in the Air Force. Its training mission makes it the first command to touch the life of nearly every Air Force member.

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The TG-15A (Schempp-Hirth Duo Discus) is a conventional two-place high performance sailplane with tandem seating used by 94 FTS Advanced Soaring for cross-country training. The TG-15A is commonly known as "the white glider" or the "Duo" in the civilian community. Glider cross-country soaring competitions are flown at the regional and national level in the TG-15A.

The Schempp-Hirth Flugzeugbau Aircraft Corporation of Kirchheim , Germany manufactures the Duo Discus (Air Force designation TG-15A). It is constructed from glass and carbon fiber reinforced plastic, featuring a T-tail with fixed horizontal stabilizer and elevator. The wing is a four stage trapezoid in plan form, consists of two main panels with tip extension having a sweptback leading edge, and has double-panel Schempp-Hirth type air brakes on the upper surface. It has a nose wheel, a retractable main wheel and a fixed tail-wheel. The canopy is a one-piece design, allowing for excellent visibility. The aircraft is equipped with a radio and basic flight instruments. Advanced glide computer and a secure GPS Flight recorder are also maintained in each aircraft. These sailplanes are optimized for cross-country and wave flying and are equipped with oxygen equipment, electronic location transmitters (ELT's), and main wing and tail water ballast compartments (for better competition racing).

The TG-15A aircraft was procured from Schempp-Hirth Flugzeugbau via Knauff & Grove Soaring Supplies Corporation in the spring of 2002 and the its first delivery was in Spring of 2003. The TG-15A will replace the TG-10D fleet that has served the Academy Cadet Cross-Country Soaring Competition Team well for several years.

Cadets typically fly 10-15 training sorties in the TG-15A, and go through a rigorous 50 hour cross-country soaring upgrade before they fly cross-country solo in the TG-15B. The 94 FTS corps of officer instructor pilots and attached first class (senior) cadet IPs provide instruction. The TG-15A also performs fly-bys (Aerial Reviews) for the USAFA home crowd at football games and Graduation/Parent's Weekend Parades.

In the hands of an accomplished soaring pilot, the TG-15A can stay aloft for over 6 hours, in thermal or mountain wave lift, and can fly several hundred miles from its home airport for training or competition. The TG-15A can be disassembled and put on a trailer for transport to contests or during a landing away from the home airfield. The Duo Discus aircraft was flown to a 1st place finish in the 2005 Sportsclass Nationals Glider Competition.

General Characteristics
Primary Function: Cross-Country Trainer/Competition Aircraft
Length: 28.28 ft
Height: 5 ft
Wingspan: 65.62 ft
Maximum Takeoff Weight: 1543 lbs (with water ballast)
Max Speed:135 Knots Indicated (below 6,500 ft MSL)
Glide Ratio: 45:1
Ceiling: 25,000 ft MSL
Max Positive G Limit: 5.3 (at maneuvering speed)
Max Negative G Limit: 2.65 (at maneuvering speed)
Range: Dependent on soaring conditions
Armament: None
Crew: 2 Pilots
Date Deployed: February 2006
Inventory: 2