Service of the piece : 155-mm gun M 1 - USA Field Artillery Field Manual, FM 6-90 Seacoast artillery : service of the piece 10-inch gun : (disappearing carriage) - USA Coast Artillery Field Manual, FM 4-65 Seacoast artillery : service of the piece 3 -inch rapid-fire gun : (barbette carriage) - USA Coast Artillery Field Manual, FM 4-90 Seacoast artillery : service of the piece 155-mm gun - USA Coast Artillery Field Manual, FM 4-25 Seacoast artillery : service of the piece 14-inch gun, M 1920 M II, on railway mount, M 1920 - USA Coast Artillery Field Manual, FM … Elementary map and aerial photograph reading - USA Voorschrift, Basic Field Manual, 21-25 Antiaircraft artillery : position finding and control antiaircraft searchlights - USA Coast Artillery Field Manual, FM 4-111 Manual of military intelligence in the field : Security : (counter intelligence) / The War Office - Engeland Voorschrift, 26/GS Publications/1082 Manual of map reading, photo reading, and field sketching, 1929 / The War Office - Engeland Voorschrift, 26/GS Pubns/124 Field service regulations : operations - USA Field Manual, FM 100-5 Transportation corps : military railroads and the military railway service - USA War Department Field Manual, FM 55-50 Individual clothing and equipment - USA Field Manual, FM 21-15