ISS SSTV (2019) - Happy Cosmonautics Day Happy Cosmonautics Day Related posts ISS SSTV (2018) - NASA's 60th Anniversary CelebrationISS SSTV (2019)ISS SSTV (2019-2020) - In Memory of Alexei Leonov, Valery Bykovsky, Sigmund Jähn Published by ltt -