HomeRecent Actions for Treaties for Which the United States is Depositary ...Space Recent Actions hide Space Recent Actions Depositary Actions - Treaty Affairs Office of Treaty Affairs Space – Outer Space Treaty – Notification of Deposit of Instrument; Croatia, March 10, 2023 Space – Return and Rescue of Astronauts – Notification of Deposit of Instrument; Saudi Arabia, Nov. 23, 2021 Tags Multilateral Space Treaties