hard hat, supersonic aircraft protection ZS-3 GS-4MS, 1st production sample, used by test pilots, and in line units when flying the Su-9, Su-11, MiG-21, USSR, 1965
| article: | hard hat |
|---|---|
| title: | supersonic aircraft protection ZS-3 GS-4MS, 1st production sample, used by test pilots, and in line units when flying the Su-9, Su-11, MiG-21 |
| country: | USSR |
| year: | 1965 |
* Required fields