Greg Goebel, “Gulfstream IIB, Missoula, Montana,” 2009, source: https://www.flickr.com/photos/37467370@N08/7387683752, accessed August 27, 2018, via Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Gulfstream_IIB_(N540EA).jpg. This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license. This image was originally posted to Flickr by gvgoebel at https://www.flickr.com/photos/37467370@N08/7387683752. It was reviewed on 28 July 2012 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0.

On July 20, the Department of Defense announced that it would adjust a contract to repurpose three Gulfstream IIB aircraft to assist in ballistic missile defense testing. According to the DoD press release, L-3 will now “procure three used aircraft required to modernize the High Altitude Observatory systems (HALO) systems used by the Missile Defense Agency to collect electro-optic and infrared imagery during tests of the Ballistic Missile Defense System.”

Related Links:

Contracts for July 20, 2018, Department of Defense News Release
Observatory Aircraft to Take Part in Ballistic Missile Tests, Israel’s Homeland Security (iHLS)
L-3 Tapped for Aircraft for Imagery during Missile Defense Tests, United Press International (UPI)