Keywords: Plant42.jpg Picture taken by Bernardo Malfitano of AirShowFan com Picture shows one of the gates into Plant 42 a USAF development and testing facility in Palmdale CA The aircraft tails sticking up from behind the sign are those of an SR-71 and of the first Blackbird an A-12 model at Blackbird Airpark adjacent to the base Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User Skiff using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper 2005-12-06 Original uploader was Malfita at http //en wikipedia org en wikipedia Later version s were uploaded by Jbarta at http //en wikipedia org en wikipedia Released into the public domain by the author en wikipedia Malfita Original upload log page en wikipedia Plant42 jpg 2010-02-12 19 59 Jbarta 800×388× 103263 bytes <nowiki>remove watermark</nowiki> 2005-12-06 01 57 Malfita 800×388× 114158 bytes <nowiki>Picture taken by Bernardo Malfitano of AirShowFan com Picture shows one of the gates into Plant 42 a USAF development and testing facility in Palmdale CA The aircraft tails sticking up from behind the sign are those of an SR-71 and of the first Blackb</nowiki> Air Force Plant 42 |