The VS-17 is a signaling device used by military personnel to send signals to aircraft,[1][2] and to mark improvised landing sites.[3]

A U.S. soldier uses a VS-17 panel to signal an approaching helicopter during an exercise, 2015
VS-17 panels (lower left corner) are used to mark a unimproved landing site for a C-130J Hercules, 2022

The VS-21 is a replacement for the VS-17 that provides an infrared signature, allowing use in low visibility conditions via thermal imaging.[citation needed]

See also edit

References edit

  1. ^ Lewis, Jon E., ed. (1997). The Handbook of the SAS and Elite Forces. Robinson Publishing. p. 145. ISBN 1-85487-675-9 – via Internet Archive.
  2. ^ Field Manual 21-76 (PDF). United States Department of the Army. 5 June 1992. p. 19-8 – via Berliner Informationszentrum für transatlantische Sicherheit.
  3. ^ Air Force Instruction 13-217 (PDF). United States Air Force. 10 May 2007. pp. 45–47.

External links edit