On Sunday, December 23, 2018 at 1:08:15 PM UTC-8, OHM Ω http://aviation.derosaweb.net wrote:
There are shown several gliders soaring. A single place (JS1), a two place (something) and a 3 ship gaggle.

Do we really want sunglasses with side shields while soaring? Hmmmm.

https://www.youtube.com/watch?v=v9iFQ7AuYHc

- John OHM Ω

JS1 not LS1. Nice ad.