The infrastructure was modelled on a combination of the F.L.N. (which none had studied more closely than Godard) and the D.P.U.s (Dispositifs de Protection Urbaine) established by Trinquier and Godard during the Battle of Algiers to divide the city up into a grid. With comparable speed Godard managed to assemble and weld together within his organisation all the numerous "ultra" splinter-groups from the past — such as the F.A.F. and the F.N.F. — various freelance operators as well as the army deserters left stranded after the April putsch.

XREF: Connects to broader patterns of how clandestine organizations copy adversary structures, learned from insurgent models.

Horne, Alistair, A Savage War of Peace- Alge…, loc. 1473