Biological research. Launched at 0818 local time. Reached 26.1 km. Air Force Aerobee rocket placed an aeromedical payload containing two Phillipine monkeys (Pat and Mike) and two mice to an altitude of 26.1 km, which were recovered unharmed and without apparent ill effect.
Sky brightness, day airglow research. Launched at 0847 local time. Reached 114.3 km.
Langley Specification Number S-45, entitled 'Specifications for Tracking and Ground Instrumentation System for Project Mercury,' was issued. Proposals were received from seven contractor teams by June 22, 1959, and technical evaluations were started. References: 483 .
Marquardt Corporation completed preliminary flight rating tests on the reaction control engine for the SM. References: 16 .
RV impacted 1300 km short of recovery fleet. References: 87 .
Test of new Soyuz vehi cle. Recovered May 30, 1986 6:49 GMT. Unmanned test of Soyuz TM. Docked with Mir May 23 1987. Undocked 29 May.
Officially: Comprehensive experimental testing of spacecraft in independent flight and jointly with the Mir orbital station. References: 1 , 2 , 6 .
Time 20 minutes. References: 81 .
Also carried microgravity experiments. Investigation of the natural resources of the earth in the interests of the various branches of the national economy of the USSR, and solution of problems relating to the environment and to international cooperation. References: 1 , 2 , 6 .
Geosynchronous. Stationed over 0.8W References: 4 .