Leaping 15,000ft from a plane? That's one way to test a bra!

A skydiving coach from West Yorkshire helped trial the security of a new bra by jumping through the skies. Laura Muller said the bra was extremely comfortable.

Skydiving

Why did the Northrop build an F-20 Tigershark based on F-5 Tiger? Was that the reason why the US didn't have any interest on it? - Quora

Ultimate Jet number 8 (May/June 2009) by Callixo - Issuu

Why did the Northrop build an F-20 Tigershark based on F-5 Tiger? Was that the reason why the US didn't have any interest on it? - Quora

Skydiving

Bell P-39 Airacobra aka Белл П-39 Аэрокобра - Page 2 - MILITARY AIRCRAFT & AVIATION - U.S. Militaria Forum

Calaméo - Australian Skydiver Magazine issue 108 (re-edit)

Experiences Try Something New - Ultimate - Chuffed Gifts

PDF) Supplemental oxygen for paratroopers and skydivers