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  Cover: First US-USSR joint space experiment

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Author Topic:   Cover: First US-USSR joint space experiment
fimych
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Posts: 228
From: Boston MA, USA
Registered: Jun 2015

posted 09-02-2015 03:16 PM     Click Here to See the Profile for fimych   Click Here to Email fimych     Edit/Delete Message   Reply w/Quote
The agreement signed between USA and USSR in 1972, that led to the ASTP flight, also defined the beginning of the cooperation in space scientific experiments. The first ever US-USSR joint space experiment was related to the ice monitoring and sea parameters measurement. This research was done in early 1973 in the Bering sea (between Soviet Far East and Alaska) and code named BESEX (Bering Sea Experiment). The experiment involved two meteorology satellites – NIMBUS-5 and METEOR (Kosmos-243), several specially equipped aircraft and two ships – USCGC Staten Island (Coast Guard ice-breaker) and NISP Priboy (meteorogical research vessel).

This cover commemorates the ASTP flight, holds special "joint experiments" cachet, the official rubber roundel of NISP Proboy and the stationary rubber stamp of NISP Priboy. The postal cancellation is of Vladivostok (port of assignment) dated 18.07.75.

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