His remains were recovered, and Major Guillermin was accounted for on 28 May 2013.  His A-26 aircraft was located years earlier and the crash site was quarantined while the required removal of weapons and armaments was accomplished.

His remains were recovered, and Major Guillermin was accounted for on 28 May 2013. His A-26 aircraft was located years earlier and the crash site was quarantined while the required removal of weapons and armaments was accomplished.