Noise from the motor cycle in motion (data reported to facilitate testing of the vehicle in use).

The reflexes to be adopted during vehicle tests by the buyer

Initial tests of the vehicle were performed throughout 1944.

Tests of the su-57 with a new engine will last about three years

The next step of preparations — are combined tests of the launch vehicle Soyuz-2.1a.

Between January 2014 and April 2016, China conducted six flight tests of its own DF-ZF hypersonic glide vehicle.

Between 2014 and 2016, Beijing conducted at least seven tests of the DF-ZF hypersonic glide vehicle.