thehumanperson

By Date

North American P-51 Mustang

thehumanperson 17 comments

Titanium submarine

thehumanperson 1 comments

Jet engine

thehumanperson 0 comments

Sukhoi SU-27 Flanker

thehumanperson 0 comments

Submarine

thehumanperson 6 comments

Nuclear reactor V2

thehumanperson 0 comments

Nuclear reactor core v2

thehumanperson 0 comments