Tratan de reparar radiador de Estación Espacial

Astronauts conducted their second spacewalk in two weeks to work on a disused thermal radiator outside the International Space Station. The radiator, extended in 2012 to address a coolant leak, needs folding to protect it from space debris. Previous attempts to fold it were unsuccessful, so the task fell to Commander Jeffrey Williams and Kate Robbins. NASA aims to preserve the radiator as a spare part. Additionally, the astronauts installed a new docking port during a spacewalk on August 19.

¿Qué acción intentó otro equipo de astronautas a finales del año pasado?

¿Cuál es la intención de la NASA respecto al radiador mencionado en el texto?