15 October 2012 in the Engineering Design Center in Warsaw held the ceremony of “unveiling” jubilee tree, which were planted to commemorate the 20th anniversary of the presence of GE in Poland and the cooperation with the Institute of Aviation in Warsaw. The tree was “unveiled” by Director of the Institute of Aviation, Dr. Ing. Witold Wiśniowski and Managing Director of GE Company Poland Magdalena Nizik. The ceremony was attended by the Director of Engineering Design Centre Grzegorz Szymanowski and DAP trainees from all over Europe. The tree symbolize a strong basis for cooperation between GE and the Institute of Aviation in Warsaw.