THE COMMAND AND GENERAL STAFF COLLEGE LIBRARY E Class SymboL..M...940.3-H6-C!l73r<?S.rPT Accession Number N7?649 C&GSC Library A PL9-0733—C&GrSC—30 Nov 48—8M SUMMARY OF INFORMATION SECOND SECTION, GENERAL STAFF GENERAL HEADQUARTERS AMERICAN EXPEDITIONARY FORCES APRIL 1918 NUMBERS 1 TO 30 INCLUSIV . ; 4 1" No In this re-print of the Intelligence Summaries in order to retain the original form in which they were published and that the reference numbers may be utilized, no attempt has been made to re-number the issues The Summaries may be traced by the date of publication. •- > /k<,llr4Uri.iki. •21 ..V VJ ,'^V^' V'»-^IWUVlStiifiJ \ , .' C.6up«-Ue-$r l» ^ fflPft^ Aains;;^^^­ R?qne«chin/^5f,^ ^__ AWc' ft© (Amiens) Reprinted at ease Priming Plant, <$rf> Engmatrs. US Army 1919 National Boundary . • • + • • ++ + +^. + + + + I National Highway PREreCTIJRE First Class Roads ) Department Boundary . ,+ _ + . + _ + _ + _ + _+ i Depart mental Roarl SOUS­ l'RKFK(m Railroads The jca/e is ntrtted in Kilometers on the * sides of the interior border fines Streams in qood condition I Arrondissement Boundary ­ .. \ Ordinary Roads CANTON 0 Two tracks. Navigable Canals Note. The upright letters show tfte Cities. Villages Canton Boundary . _ Second class road irregularly repaired C'dMIIIUITif o Scale 200W0 — Single track . Hamlets and in general alt inhabited places. irrigation and drainage ditches Elevation . • i»92 Vitiate ftnd jrnj»oj-t<Lnt | Meters igw 0 2 5 Kilgm««r» Farm road o Nnrrow quagtt and \ The leaning letters apply to Forests , Woods , Lakes and Pondi Trail _....._............... Tort. BAtterr. .. Tramway. f Miles 1 ^ 0 "l5 Miles Geodetic Point . 3? 2 Rwers. Saddles ond Passes. •.,~./\..--.../\.. ' ep blOmer Li Us AM A A Arras Douai 4 /AucjR-...! «w*«^c^S» ,^M:**fc=^< 1 v ^OHHfcNT-fffNTF.flE) / V-<f " I ^-V pa r?CV >J y v LElSllfO f*"3^ - *wp§*r*»y, qni!ii*)Cr">'/L<; ^l^SK'LjVWfftiJL. /_ \y^iv ..,_«*: (Amiens) Reprinted ai Base Printing Plant, 23th. Enginters, U S.Army 1919 National Boundary ^ National Highway First Cl«ss Roads j Department Boundary Departmental Road soi' s i"Ri (•'!•' :•.'!;K The scale is murUmel in Kilometers on the * sides of 'he interior bordc Streams in good condition Railroads Arrondtssement Boundary Ordinary Roeds C'AVIi)N © Note. The upright letters &hotv the Cit'es. TWo tr&cki. Na*iaatxe Canals Canton Boundary Second class road irregulariy repaired < oinniun" Scaie 260.000 Single track . Hamlets t*nd in genera/ a// inhabited pieces. •'moation and drHtnage t/iteh&s Elevation farm road Narrow gutgt: and The leaning fetters apply to r'orvsts . Woods , Geodetic Point Trail Fort, hatterv • Trawwey Lai m ana Ponds fitters. Saddles and Passes. C G. H. Q. A. E. P. /Jfljl SECOND SECTION, GENERAL STAFF No. 1. No. i, i APRIL 1,^1918 SUMMARY OF INFORMATION CHANGES IN GERMAN ORDER OF BATTLE, MARCH 31, 1918. XV IITH ARMY 26th Div, from reserve of XVIIIth Army enters line, between 221st Div. and 239th Div. 2d Guard Div. from XVIIIth Army in reserve. II D ARMY 23d Div. to XVIIIth Army. 228th Div. to XVIIIth Army. XVIIIT H ARMY 88th Div. withdrawn from line, and re-enters to the S. of 243d Div. 23d Div. from IId Army to line S. of 88th Div. 228th Div from IId Army to line S. of 19th Div. 52d Div. from Hid Army enters line between nth Res. Div. and 5th Bav. Div. 7th Res. Div. from 1st Army relieves 1st Bav. Div. 26th Div. to XVIIth Army. 3d Bav. Div. from Vllth Army in reserve 2d Guard Div. to XVIIth Army. 35th Div. to reserve. VIITH ARMY 3d Bav. Div. to XVIIIth Army. 1ST ARMY 7th Res. Div. to XVIIIth Army. IIID ARMY 52d Div. from reserve to XVIIIth Army. UNITS IN REAR OF FRONT XVIIIT H ARMY 2d Guard Div. 4th Guard Gren. Regt. at Wancourt in rear of Arras Front. March 29 Declaration of prisoners. 3d Bav. Div. In region of Noyon, March 29. Up ARMY 4th Guard Div. 4th Guard Div. in the IId Army, March 29, Doc. IDENTIFICATIONS 31ST Div. FLANDERS SECTOR 166th Inf. Regt Sector of Moors lede March 30 Doc. 12TH Div. REGION OF ARRAS. 62d Inf. Regt S. E. of Tilloy-les-Mofflains March 30 Many prisoners. 239TH Div. 468th Inf. Regt X. W. of Hamelincourt < . March 30 1 officer killed, 26TH Div. 125th Inf. Regt N. of Hamelincourt March 30 Prisoners. REGION OF ALBERT. IST GUARD RES. DIV. 2d Guard Res. Inf. Regt N. of Puisieux March 30 1 prisoner. 4TH Div. 140th Inf. Regt F. of Colincamps March 30 Men killed. 54TH RES. DIV. 247th Res. Inf Regt E. of Martinsart March 29 1 killed. 50TH RES. DIV. 229th Inf. Regt W. of Meaulte March 30 Many prisoners. 13TH Div. 13th Inf. Regt .. S. W. of Morlancourt March 30 j . 1 killed. IST Div. ist Gren. Regt .....;.. N. of Sailly-Laurette March 36 Many prisoners. I8TH DIV. 86th Inf. Regt , E. of Sailley-les-Sec March 29 Prisoners. 31st Inf. Regt ' N. of Sailly-Laurette March 29 1 prisoner. GUARD ERZ. DIV. REGION OF CHAULNES. 339th Inf. Regt S. W. of Morcourt March 29 prisoners. 88TH DIV. 35 2d Inf. Regt. ) 353d Inf. Regt, \ Mezieres March 29 Many prisoners. This Division had entered the line March 29 for the second time. 228TH Div. REGION OF MONTDIDIER 35th Inf. Regt Region of Hamel i March 30 1 prisoner. 5TH Div. 8th Inf. Regt N. of Pierrepont March 29 1 prisoner. 230 Div. 100th Inf. Regt E. of Moreuil March 30 Prisoners. 52D Div. 170th Inf. Regt E. of Molpart March 30 Prisoners. 52d Div. had been retired from the Champagne Front about March 9. 206TH Div. 4th Erz. Res. Inf. Regt W. of Montdidier March 30 1 prisoner. 9TH Div. 9th Inf. Regt. / 17th Inf. Regt. j Near Ayencourt March 30 50 prisoners. IOTH RES. DIV. REGION OF LASSIGNY. 155th Inf. Regt S. W. of Rollot •, March 30 Prisoner. 238TH Div. 463d Inf. Regt At Boulogne March 29 21 prisoners. 464th Inf. Regt At Boulogne March 29 . 2 prisoners. 103D Div. 116th Res. Inf. Regt At Le Plemont March 30 3 prisoners. 37TH Div. 150th Inf. Regt Region of Thiescourt March 30 1 prisoner. — 309 — SUMMARY OF INFORMATION, NO. I, APRIL r, 1918. 7TH RES. DIV. <36th Res. Inf. Regt Between Le Plemont and Lassigny . March 30 4 prisoners. The 7th Res. Div. had been retired from the Champagne Front toward the middle of January, and had been resting in rear of the Front in Argonne. 33d RES. DIV. REGION OF RHEIMS. 130th Res. Inf. Regt N. E. of Cormicy March 30 2 killed. 86TH DIV. t .,, 1 341st Inf. Regt •. In front of Betheny March 30 1 killed. 203D Div. ,406th Inf. Regt S. W. of Beine March 30 2 prisoners. They state order of battle, \Y. to E. is : 406th Inf. Regt. 410th Inf. Regt. 409th Inf. Regt. The order of battle previously was : 409th Inf. Regt. 406th Inf. Regt. 410th Inf. Regt. The 406th and 410th Inf. Regiments not having moved, it may be assumed that there has been a change in the sector with an extension toward the east of the Division, and as a consequence a diminution of the density between the 203d Div. and the Suippe. ALSACE. 30TH BAV. RES. DIV. 15th Bav. Ldw. Inf. Regt N. of Amertzwiller March 30 1 killed GERMAN ATTACK TACTICS FROM G. 0. G. BULLETIN, MARCH 29, 1918. According to captured documents and prisoners' statements : The German attack in the present offensive seems to have been carried out in its main lines according to principles followed during the period of intensive training. 1. ATTACK ON ORGANIZED POSITIONS. Rate of infantry advance : 200 meters in 4 minutes. The accompanying barrage (Feuerwalze) lifts and advances at carefully calculated intervals beginning at zero hour and occurring as required by the conformation of the trenches to be taken. The trench mortar detachments follow and stop at the same time as the infantry waves. Maps show the mechanism of the attack and the barrages. 2. ADVANCE OVER LEVEL GROUND. As soon as the organized positions have been passed, the enemy echelons his successive attacks. He masses his forces on various points and makes a rapid attack in order to bring about a local withdrawal of the line. Then he advances through the intervals so created and threatens the flanks of neighboring units, against which a new attack is prepared and launched. The attacking troops have generally advanced by passing through their own lines. A number of divisions seem to have entered into combat several times at different points after having been withdrawn. 3. USE OF AUXILIARY ARMS. Artillery actions are limited to fire with 77 mm. and 105 mm. field guns. Cavalry was observed several times, but in small units, in the region of HAM-NESLE-PERONNE. Its functions seem to have been to maintain touch between or to support advanced elements. Aviation has shown little activity. It has been limited to making flights in order to determine the line. There is little or no reconnaissance at long range, but bombing squadrons are always very active at night against railway stations and important points. EXTRACTS FROM DIARY OF GERMAN OFFICER AVIATOR An officer, who was a member of a bombing flight, was brought down on February 18. The follow­ ing are extracts from the information obtained from his diary : "All German aviation units on the Italian front will be replaced by Austrian units." "The A. E. G. is the best type of German bombing airplane.