Not 100% sure but I think this is pretty close.
GBmEmBmEmDBmAmG
Charlie boy, don't go to war, first born in forty-four
GBmEmBmEmDBmAmG
Kennedy made him believe we could do much more
GDBCBAG
Ooooh-Oo-oooooh-Oo-ooooh-oo-ooooh
GBmDEmBmEmDBmAmG
Lillian, don't hang your head, love should make you feel good
GBmDEmBmEmDBmAmG
In uniform you raised a man, who vol-un-teered to stand
GDBCBAG
Ooooh-Oo-oooooh-Oo-ooooh-oo-ooooh
EmGBmD
Play the bugle, play the taps and
EmGD
Make your mothers proud
EmGBmD
Raise your rifles to the sky boys
EmGD
Fire that volley loud
GBmDEmBmEmDBmAmG
News was bad on Upland Ave, my touch and mourn our loss
GBmDEmBm
Sons rebelled, while fathers yelled,
EmDBmAmG
and moth-ers clutched the cross
GDBCBAG
Ooooh-Oo-oooooh-Oo-ooooh-oo-ooooh
EmGBmD
Play the bugle, play the taps and
EmGD
Make your mothers proud
EmGBmD
Raise your rifles to the sky boys
EmGD
Fire that volley loud