Transportation corps : military railroads and the military railway service - USA War Department Field Manual, FM 55-50 Transportation corps : railway shop battalion - USA Voorschrift, Field Manual 55-60 field manual Traffic circulation and control, FM field manual Water transportation: oceangoing vessels field manual Umpire manual field manual Regulations for correspondents accompanying U.S. Army forces in the field / prepared under direction of the Chief of Staff field manual Regulations for technical observers and service specialists accompagny U.S. Army forces in the field Individual clothing and equipment - USA Field Manual, FM 21-15 First aid for soldiers - USA Basic Field Manual, FM 21-11 field manual Mobile units of the medical department / prepared under direction of the Surgeon General field manual Medical service of the division / prepared under the direction of the Surgeon General field manual Medical service of field units