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Of
course in Vietnam we got rid of the numbers and gave people really cool
titles like RTO, Swabber, Rammer, Projo-man, Fuse-man and Powder-man.
If you had a driver that did nothing but drive (as shown in tables 1&2)
then he was basically worthless as everyone could drive the prime mover.
Everyone in a howitzer section in Vietnam had a primary duty, but they
knew everyone's duty as well so that when the need arose (and it always
did) they could perform any and all of them without being taught or
asked.
In
this picture you see a 9 man gun section and if this is truly "by the
numbers" the #2 man is probably in the Ammo Bunker preparing and fusing
the Projos that you see at the bottom right of the photo. From left
to right across the photo we see:
- #1
man "The Swabber" and although the book said he was supposed to ram
the Projo with the #4 man he's just not in the best position to do
that.
- Chief
of section has his eye on the Projo type, fuze, powder charge and
the data the RTO has written down. Chances are he's already checked
the data on the gunners Pantel.
- RTO
has written down the data and is ready to read back the information
to FDC as soon as the howitzer is ready to fire. He's the man that
say's "Fire"
- #5 man
"The Powder-man" has shown the charge to the CS to verify it's correct
and is waiting to take the loading tray from the #3 man and hand the
powder charge to him.
- Gunner
sets quadrant and deflection onto the Pantel Mount and the Pantel,
then uses the hand wheels to re-level the quadrant bubble and adjust
for displacement with the Aiming stakes or the Infinity Reference
Collimator.
- #3 man
will take loading tray from #6 man after #4 man starts to ram Projo
and will in turn take powder from #5 man as he hands the tray to him.
- #4 man
"The Rammer" is starting to push the Projo from the loading tray,
when this is done he will wait for the #6 man.
- #6 man
"The Projo-man" will let go of his side of the loading tray when the
#4 man has the Projo clear of the tray and will then grab hold of
the ramming staff and helps #4 man ram the Projo into the lans and
grooves.
- Assistant
Gunner has removed the spent primer from the firing mechanism/breech
lock assembly and replaced it with a fresh primer and has half installed
the mechanism back into the breech. As soon as the #4 and #6 men have
finished ramming and the #3 man places the powder charge into the
powder chamber, the AG will close the breech and lock the firing mechanism
into place… the howitzer is now ready to fire.
In
table 1 above, it shows the AG swabbing the powder chamber when the
section is short handed… actually in Vietnam we not only threw out the
book, we rewrote the book. Most gun sections though shorthanded, were
so streamlined and efficient that the AG would have the Primer Lock/Firing
Mechanism backed out (unlocking the breech) by the time the tube stopped
it's rearward movement and used the movement of the tube as it went
back into battery as the momentum for opening the breechblock. The Swabber
was right there cleaning out the chamber and the Projo-man was right
there stuffing the Projo into the chamber and he and the Rammer would
seat it into the lans and grooves. The Swabber would then insert the
powder; the AG would close the breechblock, lock the firing mechanism
and fire. The Powder-man and the Fuze-man were responsible for making
sure the correct Projos, Fuze, Fuze setting and Powder charges were
assembled and staged to the rear of the howitzer recoil area. The Gunner
set quadrant and deflection and corrected for movement of the howitzer
during firing. The RTO yelled out (repeated back) the fire commands
and wrote down the data for the record and the Section Chief made sure
that everything was correct.
When
I asked some of my brothers from Charlie Battery for input on this piece
I was reminded by my Section Chief, Reg Karg (who, by the way, is the
Gunner in the above photo), that conditions in a combat situation are
so different from training and we did whatever was required when someone
needed HIGH EXPLOSIVE NOW! A couple of other things worth mentioning
were also pointed out to me by Reg. After receiving our initial lay
from the aiming circle we always shot our howitzers into the ground
(to dig the trail spades in for recoil) and depending on the conditions
of the ground in your gun pit the gunners were lucky to find enough
collimator to adjust for displacement, sometimes having to rely on the
aiming stakes to carry out the mission. Fire missions during the monsoon
season were always both scary and funny. Scary, when you have a 6 ½
ton howitzer firing charge 6 or 7 with wet slippery ground, the assistant
gunners would always have to guess just how long a lanyard (4-6' were
common) to use, to stay out of the howitzers way on that first round.
Funny, when the fire mission was over, all you could hear were the 5-ton
trucks starting up all over the battery area and we would use 5-tons
and cargo straps to pull the Pigs back into the gun pits. It was also
very dangerous to be the Projo-man during the monsoons… trying to keep
your footing while cradling a 97-pound Projo took a big and agile man.
The Powder-man had to be fast and careful, waiting until the last second
to rush out and insert the powder charge to keep it from being drenched.
I think Reg said it best when he said "I am sure the Army brass would
have had kittens if they saw how we really shot some of the fire missions
we fired."
"The
Book" also said the maximum rate of fire for the 155mm Howitzer
was 4 rounds a minute and the sustained rate was 1 per minute. If you
were required to fire a mission by the book, it was easy to see why…
everybody was in each other's way. Our gun could easily do close to
8 a minute if needed and sustain 4 per minute without a full crew.
Of
course there were those occasions when we had a visiting dignitary or
when there was a special milestone achieved (5 Hundred Thousandth or
1 Millionth round) when they would make sure your section was up to
strength so that the section could perform a "Fire Mission by the Numbers."
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