18th Weather Squadron.  Unofficial used from 1954.
Unknown squadron member in 1954.
2017-06-13
<a rel="nofollow" class="external free" href="https://www.airweaassn.org/reports/Air%20Weather%20Service-Our%20Heritage,%201937--1987.pdf">https://www.airweaassn.org/reports/Air%20Weather%20Service-Our%20Heritage,%201937--1987.pdf</a>