CURRENT AFFAIRS

Detailed explanation-1: -The Scaled Composites Model 351 Stratolaunch or Roc is an aircraft built by Scaled Composites for Stratolaunch Systems to carry air-launch-to-orbit (ALTO) rockets. It was announced in December 2011, rolled out in May 2017, and flew the first time on April 13, 2019.

Detailed explanation-2: -The Antonov An-225 Mriya (Ukrainian: -225 , lit. ‘dream’ or ‘inspiration’; NATO reporting name: Cossack) was a strategic airlift cargo aircraft designed and produced by the Antonov Design Bureau in the Soviet Union.

Detailed explanation-3: -Boeing has built over 1, 500 Boeing 747s, and the planes have served as the largest passenger and cargo aircraft in the world, a military command center in the sky, Air Force One, and a space shuttle lifter and infrared telescope flier for NASA.

Detailed explanation-4: -Roc carried a prototype of Stratolaunch’s planned air-launched Talon hypersonic vehicle on Friday’s flight (Jan. 13). The world’s largest airplane took to the skies again on Friday (Jan.

Detailed explanation-5: -Roc is named after a giant mythical bird, in recognition of the 385-foot-wide craft’s status as the world’s biggest airplane as measured by wingspan. In the wake of this year’s destruction of Ukraine’s Antonov Mriya An-225 cargo aircraft, Roc also rates as the world’s heaviest airplane at 250 tons.