ANSWER KEY: KSC Facilities

Directions: 
Next to each acronym, write the term that it represents. 

1.	ET:     External Tank
2.	KSC:  Kennedy Space Center
3.	LCC:  Launch Control Center
4.	OPF:  Orbiter Processing Facility
5.	SLF:   Shuttle Landing Facility
6.	SRB:  Solid Rocket Booster
7.	STS:   Space Transportation System
8.	VAB:  Vertical Assembly Building or Vehicle Assembly Building
9.	RSS:  Rotating Service Structure
10.	OWP: Orbiter Weather Protection
11.	OV:    Orbiting Vehicle

Directions: 
Next to each vehicle number, write the name of the orbiter. Circle the 3 orbiters that are still in service. Put a star by the orbiter that has completed the most missions.

1.	OV-099:  Challenger
2.	OV-102:  Columbia
3.	OV-103:  Discovery
4.	OV-104:  Atlantis
5.	OV-105:  Endeavour