The Rite in the Rain All-Weather Field Book Kit is issued by the Army, Navy, and Marines to protect service members' notes, field orders, coordinates, training language tips, and maps - a soldier's rite in the rain book is a vital field instrument.FeaturesIncludes a Field Book, Cover, and All Weather Pen Permanent ink writes through water, sweat, grease, and mud without clumping or smearingRulers, charts, map scales, common symbols, and mapping techniques prove handy in the fieldAll-purpose pockets make it easy to organize your small field essentials and safeguard your notesKit fits into combat uniform cargo pant pocket