1^st Bn (rein), 4^th Marines

Chu Lai, Viet Nam

221600H June 1965

Fm:     CO, 1^st Bn (rein), 4^th Marines

To:       1^st Bn, (rein), 4^th Marines

Info:     CO, 4^th Marines

            CO, 2^nd Bn (rein), 4^th Marines

            CO, 3^rd Bn (rein), 3^rd Marines

CONFIDENTIAL

Frag Order #49  (230001H to 232400H)

Ref:     (a)            Map:            Viet Nam 1:50,000 AMS L701 Sheet 6757 III

Time Zone:             H

1.            Situation.

A.                Enemy Forces.  (See current Isums)

B.                Friendly Forces.  Popular Forces setting night ambushes along coast line in front of FEDA.

2.            Mission.   No change.

3.            Execution.

A.                Company A (rein).  Conduct squad size recon patrol 23-1.  TOD: 230400H; POD: 523115; Route: W 518115, S 518098, NE 525102, N 525104; POR: 525104; TOR: 230700H.  Squad size combat patrol 23-2.  TOD: 232015H; TOD: 528108; W 535110, establish ambush vicinity 535110 and return; POR: 528108; TOR: 240100H.  Continue improvement of fighting positions.

B.                Company B (rein).  Conduct squad security patrol 23-1.  TOD: 230600H; POD: 528086; Route; E 515086-SE 518083-NE 523086-E to POR; 527085; TOR: 231000H.  Squad combat patrol 23-2.  TOD: 230600H; POD 522098; Route: counterclockwise NE 538106-NW 529118-SW 517108-SE to POR: 521096; TOR: 231200H.  Squad security patrol 23-3.  TOD: 230600H; POD: 524089; Route: NE 534093-N 536105-SW 530100-S to POR: 523092; TOR: 231100H.  Continue improvement of fighting positions.  Coordinate security of well digging equipment with Sea Bees.

C.                Company C (rein).  Maintain reinforced platoon combat outpost vicinity GC 468068.  Platoon roadblock keep accurate count of vehicles/personnel passing through checkpoint.  Provide defense of North end of air field.  Continue improvement of fighting positions.

D.                Company D (rein).  Conduct squad security patrol 23-2.  TOD: 230600H; POD: 528073; Route: S 530057-W 525058-generally N 522075-E 527077; POR: 527077; TOR: 231100H.  Squad security patrol 23-1.  TOD: 231300H; POD: 515060; route: E 518060-SE 527049-NW 522059-NW 516067-S 515062; POR: 515062; TOR: 231800H.  Continue improvement of fighting positions.

E.                H&S Company.  Continue preparing area for movement of Tactical CP.  Construct and improve defensive positions.

F.                 Attached Units.

1.            1^st Plt, Co B, 3d Recon Bn.  Conduct hydro survey operations on beach and a reaches from GC 512093 to GC 482117.  Launch three (3) rubber boats from village of Sam Linh prior to dawn on 23 June and secure beachhead vicinity GC 505092.  Begin survey operations at first light in 1000 meter increments out to a distance of 500 meters or twenty-four (24) foot depth, whichever occurs first.  Take sounding in channel between An Hai and Dong Tuan.  Provide logistics requirements.  Insure positive constant communications on Battalion Tactical Net.

2.            1^st Plt, Co B, 3d AT Bn.  Light Section in direct support of Company B.  Heavy section in direct support of Company A.

3.            1^st Plt, Co C, 3d TK Bn.  Light section in direct support of Company A.  Light section in direct support of Company D.  Conduct section training as directed in Frag Order #46.

G.                Coordinating Instructions.

1.            Emphasize authentication and use of coupling sheets.

2.            Armored vests to emplaced and worn in fighting positions at night.

3.            Assure each Marine has one illumination grenade in his possession when in fighting position.

4.            Insure knowledge and understanding Rules of Engagement by each and every Marine.

5.            Patrol Plan forms to be issued when reproduced.

6.            Percentage of work completed reports due by 1200H daily.

4.            Administration and Logistics.  No change.

5.            Command and Communications/Electronics.  No change.

ACKNOWLEDGE RECEIPT.

R. J. PERRICH

Lt/Col, U.S. Marine Corps

Commanding