PEGASUS

{{about|the computer algorithm|other uses|Pegasus (disambiguation)}}

PEGASUS is an encryption algorithm used for satellite telemetry, command link and mission data transfers.

According to budget item justification document for FY 2004–2005,{{cite web |url=http://www.saffm.hq.af.mil/shared/media/document/AFD-070223-048.pdf |title=Archived copy |accessdate=2009-04-29 |url-status=dead |archiveurl=https://web.archive.org/web/20071015215959/http://www.saffm.hq.af.mil/shared/media/document/AFD-070223-048.pdf |archivedate=2007-10-15 }} Missile Procurement, Air Force, Budget Activity 05, Other Support, Item No. 18 (page 187) this cryptographic algorithm is used for Global Positioning Systems (GPS), Space-Based Infrared Systems (SBIRS), MILSATCOM, and other Special Project Systems.