---
title: "SDO2021-12"
description: "[SDO2021-12](https://www.freeflight.org/wp-content/uploads/2022/12/SDO2021-12.pdf)[Download](https://www.freeflight.org/wp-content/uploads/2022/12/SDO2021-12.pdf)"
url: "https://www.freeflight.org/betterdocs/sdo2021-12/"
updated: "2022-12-30"
category: Newsletters / San Diego Orbiteers
---

# SDO2021-12

[SDO2021-12](https://www.freeflight.org/wp-content/uploads/2022/12/SDO2021-12.pdf)[Download](https://www.freeflight.org/wp-content/uploads/2022/12/SDO2021-12.pdf)