tail fin assemblies, on the other hand, are much more ubiquitous, as there is an
assembly somewhere on the Flats for every 60- and 81-mm round lobbed.
Our current understanding is that UXOs are to be handled only by the Explo-
sive Ordnance Disposal (EOD) team at the base. There are two options for dredg-
ing around the UXOs: suction (non-contact) dredging of silt around the UXO, al-
lowing it to fall away from or be bypassed by the dredge, or dredging with a mechan-
ical auger as a dredgehead, which will chew up the smaller and more oxidized
UXOs, hopefully without detonating the rounds. More intact rounds may be driven
into the mud or be ridden over. An explosion cannot be ruled out. Problems may
arise with the compromising of a white phosphorus (WP) round. Pump cavitation
or discharge exposure may spontaneously ignite the WP.
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