UFGS 21 13 21.00 20 Foam Fire Extinguishing for Fuel Tank Protection  

History: Below is a listing of the Revisions and Changes made to this UFGS.

KEY PREPARING ACTIVITY (PA) A Army N Navy F Air Force S NASA
ACTION N New R Revision C Change D Deletion
Release PA Action Change # Nature of Change or Revision
Feb-2024 N D

Archived with no replacement.
Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.

Nov-2009 N R

Removed paragraph 1.2 regarding Y2K; Section References (SRF) update