Joint Strike Fighter (JSF) development program. TAI builds various aircraft types and models, such as the F-16 Fighting Falcon for the Turkish Air Force. Turkey has recently launched domestically built new military/intelligence satellites including a 0.8m resolution reconnaissance satellite (Project Göktürk-1) for use by the Turkish Armed Forces and a 2m resolution reconnaissance satellite (Project Göktürk-2) for use by the Turkish National Intelligence Organization. Other important products include the TAI TF-X, TF2000-class destroyer, Milgem class corvette, Baykar MIUS Kızılelma UCAV, Baykar Akıncı HALE UCAV, Baykar Bayraktar TB2 MALE UCAV, TAI Aksungur MALE UCAV, TAI Anka MALE UAV/UCAV, Aselsan İzci UGV, Altay main battle tank, T-155 Fırtına self-propelled howitzer, J-600T missile, T-129 attack helicopter, A400M, Roketsan UMTAS anti-tank missile, Roketsan Cirit laser-guided rocket, Panter howitzer, ACV-300, Otokar Cobra and Akrep, BMC Kirpi, FNSS Pars 6x6 and 8x8 APC, Nurol Ejder 6x6 APC, TOROS artillery rocket system, Bayraktar Mini UAV, ASELPOD, and SOM cruise missile. Steel-Iron industry Turkey ranks 8th in the list of countries by steel production. In 2013, total steel production was 29 million tonnes. Turkey's crude steel production reached a record high of 34.1 million tons in 2011. Notable producers (above 2 million tonnes) and their ranks among top steel producing companies. Erdemir (7.1 million tonnes) (47th) (Only Erdemir-Turkey; Erdemir-Romania is not included) Habaş (4.4 million tonnes) (72nd) İçdaş (3.6 million tonnes) (76th) Diler (2.3 million tonnes) (108th) Çolakoğlu (2.1 million tonnes) (110th) Science and technology TÜBİTAK is the leading agency for developing science, technology and innovation policies in Turkey. TÜBA is an autonomous scholarly society acting to promote scientific activities in Turkey. TAEK is the official nuclear energy institution of Turkey. Its objectives include academic research in nuclear energy, and the development and implementation of peaceful nuclear tools. Turkish government companies for research and development in military technologies include Turkish Aerospace Industries, ASELSAN, HAVELSAN, ROKETSAN, MKE, among others. Turkish Satellite Assembly, Integration and Test Center is a spacecraft production and testing facility owned by the Ministry of National Defence and operated by the Turkish Aerospace Industries. The Turkish Space Launch System is a project to develop the satellite launch capability of Turkey. It consists of the construction of a spaceport, the development of satellite launch vehicles as well as the establishment of remote earth stations. Construction and contracting sector The Turkish construction and contracting industry is made up of a large number of businesses, the largest of which