The lunar module had a third means of navigation, the Abort Guidance System (AGS), built by TRW, to be used in the event of failure of the PGNCS.
This was to be used in the event of failure of the PGNCS. The lunar module had a third means of navigation, the Abort Guidance System (AGS), built by TRW.
The lunar module had a third means of navigation, the Abort Guidance System (AGS), built by TRW. This was to be used in the event of failure of the PGNCS.
The lunar module had a third means of navigation, the Abort Guidance System (AGS), built by TRW. This was to be used in the event of failure of the PGNCS.