Yes for the F15 (black powder) and maybe (not) for the F26 (APCP). The composite motors are more reliably ignited with a 12V controller, however you can light one with the Estes E controller by sittin' on the launch button, prayin' to the rocket gods, and using fresh alkalines (and lotsa spares). Do you already have an E controller ? The best controller Estes currently sells is the PSII with 6 C alkalines or LIPO battery power.
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You should get over 300 launches with a good set of Alkaline Batteries in this controller.My original alkaline C cells have lasted through a fair number of launch sessions over the last six months but