TA

EB

AE

K M

OU

NT

AI

NS

SO

BA

EK

MO

UN

TA

I NS

KOREAN ARCHIPELAGO

H A MG

YO

NG

MO

UN

TA

IN

S

CH

AN

GB

AI S

HA

N

Eastern

C

hanne

lWestern

Chan

nel

Korea

S

trait

SEA OF JAPAN

YELLOW SEA

KOREABAY

Chon

gcho

n R

iver

Taed

ong R

iver

PukhanRiver

Imjin

R

iver

Han River

Naktong

R

iver

Kum

R

iver

Nam River

Yalu River

Changj

in

River

Tumen

River

SEOULINCHON

PYONGYANG

Mokpo

Kwangju

Yosu

Koje-do

Cheju-do

Tsushima(JAPAN)

Masan

Pusan

Yongjam

Honshu

Kyongju

Pohang

Yongdok

TaeguChonju

Chongju

Chungju

Chongju

Chonsong-up

Unsan

Kun-ri

Tokchon

Hamhung

Hagaru

Kanggye

Jian

Chosan

Hyesan

Chongjin

Musan

Yanji

Aoji

Tumen

Onsong

Rashin

Vladivostok

Hungnam

Hongwon

Iwon

Kilchu

ChunchonPanmunjom

Osan

Suwon

Munsan

Kaesong

Pyonggang

Songchon

Wonsan

Tongchon

Kansong

Yangyang

SunchonSukchon

Anju

Sariwon

Nampo

Haeju

KIMPO AIRFIELD

Chonan

Kunsan

Taejon

NORTH KOREA

SOUTH KOREA

C H I N A

JAPAN

U.S.S.R.

Diversionary assaultspreseding the landing at Inchon

20 Oct.

26 Oct.

24 Nov.

14 Oct.

7 Oct.

26 Sept.

15 Sept.(Pusan Perimeter)

Walker’s 8th Army

U.S. Forces from Japan

1 July - 15 Sept.

Mac

Arth

ur &

X

Cor

ps (15 Sep

t.)

TIMELINE

At Inchon MacArthur conducted a masterful turning movement through theuse of a bold amphibious operation. The landings consisted of the 1st MarineRegiment and the 7th Infantry Division from Japan, and the 5th Marine Regiment which had been withdrawn from the Pusan Perimeter. This attack,in combination with a breakout by the 8th army from the Pusan Perimeter,resulted in the destruction of the NKPA as an organized fighting force. Consequently, the Inchon invasion was follwed by the U.N. forces attackinginto North Korea where some forces advanced to the Yalu River.

1950

June July Aug. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July JulySept.

N. K

orea

n t

roop

s cr

oss

the

38th

par

alle

l, 2

5 Ju

ne

Em

erge

ncy

ses

sion

of

U.N

. Sec

uri

ty C

oun

cil

dec

ides

to

aid

S. K

orea

, 26

Jun

e

Tru

man

sh

ifts

7th

Fle

et t

o F

orm

osa

Str

ait,

27

Jun

eU

.S. t

roop

s fi

rst

mee

t N

KPA

just

nor

thof

Osa

n a

nd

are

for

ced

to

retr

eat,

4 J

uly

Mac

Art

hu

r gi

ven

com

man

d o

f U

.N. F

orce

s, 8

Ju

lyW

alke

r’s

8th

Arm

y h

old

s P

usa

n

Per

imet

er, A

ugu

st -

Sep

tem

ber

Mac

Art

hu

r la

nd

s at

In

chon

, sei

zes

Kim

po

Air

por

t &

Seo

ul,

15

Sep

t.U

.N. f

orce

s d

rive

N. K

orea

ns

fro

m S

. Kor

ea, 1

Oct

.

U.N

. aut

hori

zes

Mac

Art

hur

to

ent

er N

. Kor

ea, 7

Oct

.M

acA

rth

ur

lau

nch

es n

ew o

ffen

sive

, 24

Nov

.

Wal

ker

kill

ed, 2

3 D

ec.

Rid

gway

tak

es c

omm

and

of

8th

Arm

y, 2

6 D

ec.

Chi

nese

dri

ve U

.N. f

orce

s so

uth

of

38th

par

alle

l, 22

Apr

il

Sec

ond

Ch

ines

e of

fen

sive

beat

en b

ack,

10

May

Bat

tle

line

s st

abil

ize

near

38t

h pa

rall

el

Neg

otia

tion

s be

twee

n U

.N. f

orce

s &

Com

mu

nis

ts b

egin

at

Kae

son

g, 1

0 Ju

lyN

egot

iati

ng w

hile

figh

ting

,

10 Ju

ly 1

951

- 27

July

195

3

Arm

isti

ce s

igne

d at

Pan

mun

jom

27

July

195

3

Rid

gway

rev

ital

izes

8th

Arm

y, h

alts

ret

reat

& s

tabi

lize

s th

e d

efen

se, 8

-24

Jan

.C

CF

& N

KPA

ret

ake

Seo

ul,

4 J

an.

200,

000

Ch

ines

e at

tack

U.N

. for

ces,

26

Nov

. U

.N. f

orce

s re

trea

t, S

eou

l fa

lls

to

Com

mu

nis

ts, D

ec.

1st

Mar

ine

Div

. & 7

th D

iv. e

nci

rcle

d

at

Ch

angj

in R

eser

voir

, 27

Nov

.

1st

Mar

ine

Div

. & 7

th D

iv. c

omp

ete

brea

kou

t, 9

Dec

.

U.N

. Res

olu

tion

off

ers

Ch

ina

a

pea

ce p

lan

. C

hin

a re

ject

s, 1

3-17

Jan

.

U.N

. for

ces

init

iate

a l

imit

ed o

ffen

sive

, 25

Jan

.

8th

Arm

y at

tack

s an

d r

etak

es

Seo

ul,

14

Mar

ch

Mac

Art

hu

r re

liev

ed o

f co

mm

and

aft

er

ch

alle

ngi

ng

Tru

man

, 11

Ap

ril

U.N

. cap

ture

Pyo

ngy

ang,

19

Oct

.

N. K

orea

n f

orce

s p

ush

ed t

o Y

alu

Riv

er,

Oct

.C

hin

ese

troo

ps

cros

s Y

alu

in

to N

. Kor

ea,

cou

nte

ratt

ack,

14

Oct

. - 2

Nov

.

1951

1953

Pusan

Osan

Inchon

PohangSOUTHKOREA

NORTHKOREA

CHINAU.S.S.R

SeoulChunchon

Pyongyang Wonsan

Yalu River

Tumen Riv

er

YELLOWSEA

Naktong R.

38 N

Pusan Perimeter

25 June

1 Aug.

15 Sept.

1 JUNE- SEPTEMBER, 1950

Unexpectedly, the North Korean Peoples Army(NKPA) supported by Soviet made T-34 tanksinvaded South Korea in force. Finally, SouthKorean and U.S. forces halted the advancealong a front which became known as thePusan Perimeter.

U.S. Forces from Japan

SEA OF JAPAN

3 NOV. 1950 - JAN. 1951

Pusan

OsanInchon

PohangSOUTHKOREA

NORTHKOREA

CHINAU.S.S.R

SeoulChunchon

Pyongyang

Hungnam

Iwon

ChangjinRes.

(Chosin)

SEA OF JAPAN

Yalu River

Tumen Riv

er

YELLOWSEA

Naktong R.

Chinese Communist Forces (CCF)

26 Dec.

25 Dec.

24 Nov.

With the U.N. forces pursuing the NLPA andfanning at across the expanding front inNorth Korea, the CCF launched a surpriseattack with over 200,000 men. This causethe longest retreat in U.S. military history.Again Seoul fell to the enemy.

3 NOV. 1950 - JAN. 1951

38 N

3 NOV. 1950 - JAN. 1951

Pusan

Inchon

Taejon

PanmunjomSeoul

SOUTHKOREA

NORTHKOREA

CHINA U.S.S.R

Pyongyang

Iron Traingle

Kaesong

SEA OF JAPAN

Yalu River

Tumen River

YELLOWSEA

38 N

Armistace Line27 July, 1953

28 Feb. 1951

25 Jan.1951

After halting the CCF advance, the U.N.forces conducted a series of well executedattacks, recevoring Seoul. Hostilities even-tually ceased along on Armistice line located near the 38th Parallel.

JAN. 1951 - JULY 1953

THE KOREAN PENNINSULATHE KOREAN WAR

Principal Campaigns of the Korean War,1950 - 1953

SCALE OF MILES

0 25 50 75 100

ELEVATION IN METERS

HISTORY DEPARTMENTUSMA

Frank Martini

N

1A B C

A B C

1

2

3

4

1

2

3

4