Payload Unit 4 

Optical image data exist for the PLU-4 SSM and MLI blankets at magnifications from 25x to 800x. 

Click PLU4 SSM data to view PLU4 SSM data.

Click PLU4 MLI data to view PLU4 MLI data.

| PLU-1 | PLU-2 | PLU-4 | SPLU-1 | SPLU-2 | BSU-1 | 

| BSU-2 | Scuff plates | IRTS | SEM | EFFU | 2DHV | Solar arrays |