USA-242
Success
MAY 15201321:38:00 UTCAn Atlas V 401 launched GPS IIF-4, the fourth Boeing-built Block IIF navigation satellite for the US Air Force, also designated SVN-66 and nicknamed Vega after the star. It was intended to replace the 17-year-old USA-117 (SVN-33).
LIFTOFF
MAY 15 201321:38:00 UTC
Success
launched from SLC-41 Canaveral
aboard Atlas V 401 into MEO
Payload
USA-242 (GPS IIF-4)
Navigation

