Figure 3-1.--The Mk 58 Mod 0 marine location marker.
polyethylene cover. Notice on figure 3-2 the slight
whose end cover can be removed with a twist key, much
difference in the tear strip. Also notice that the chimney
like the lid on a canned ham. Notice on the figure that
caps have been replaced by adhesive foil disks.
the opening key is attached to the bottom of the can. If
you open one of these devices, be careful. The rim left
MK 6 MARINE LOCATION MARKER
by the can opening strip is very sharp and can cause
The Mk 6 smoke and illumination signal (fig. 3-3) is
serious cuts to your hands as you attempt to remove the
a pyrotechnic device that is launched only from surface
tear strip, located under end cover. Figure 3-1 shows the
tear strip and its attached pull ring. The chimney caps
craft, to produce a day or night floating reference point.
cover the holes through which the flames and smoke
One of its principal uses is as a man-overboard marker.
pour when the device is activated.
It was previously approved for launching from low-
performance aircraft as a long-burning marker but has
To correct the safety problem created by removing
been replaced for this purpose by the Mk 58 marine
the end cover with a key, the Mod 1 (fig. 3-2) has a
smooth rim at its top and is capped with a replaceable