ST. PETERSBURG, June 3. /TASS/. The Argus unmanned aerial vehicle (UAV) is on display at the PSB stand at the St. Petersburg International Economic Forum, a TASS correspondent reports.

The atmospheric satellite manufactured by Stratolink is capable of reaching an altitude of up to 25 km and remaining in flight for up to 40 days using solar energy.

The drone is capable of relaying communications, imaging, and remote sensing the Earth, as well as functioning as an airborne early warning system.

Next to it is displayed the IAS high-altitude UAV, designed for communications relay and testing stratospheric UAV technologies. The drone has a flight altitude of up to seven kilometers and operating time of up to 12 hours.

The St. Petersburg International Economic Forum (SPIEF) is taking place on June 3-6 and is the 29th edition. This year, the event is held under the theme "Pragmatic Dialogue: the Path to a Stable Future." Saudi Arabia is the guest country at SPIEF. The forum program is dedicated to shaping a new model of global development amid the ongoing transformation of the world economy.