Key Hole (KH) is the designation for a series of American optical reconnaissance satellites:

• KH-1 Corona
• KH-2 Corona
• KH-3 Corona
• KH-4 Corona
• KH-5 Argon
• KH-6 Lanyard
• KH-7 Gambit
• KH-8 Gambit 3
• KH-9 Hexagon/Big Bird
• KH-10 Dorian/ Manned Orbiting Laboratory
• KH-11 Crystal/Kennan
• KH-12 Improved Crystal/Ikon/Advanced Kennan
• KH-13 (unofficial designation, sometimes applied to Enhanced Imaging System or Misty)

Index of articles associated with the same name

This article includes a list of related items that share the same name (or similar names).
If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.