The Military Engineer L No. 66367 ENFIRE Engineering Toolkit By Louis Fatale A portable, GPS-enabled surveying system currently being developed and ?elded by the U.S. Army will replace a ?eld sketching set in use since the 1920s. Geospatial Intelligence T he Instrument Set, Reconnais- sance and Surveying (ENFIRE) set is a modern digital engineering toolkit that replaces the Surveying Set, Military Field Sketching Set, referred to as the Surveying and Sketching Set, which has been in use since the early 20th century. ENFIRE is designed to supersede the information collection capabilities of its predecessor by sup- plying soldiers with: ssoftware and hardware tools to gather reconnaissance and reporting infor- mation; sproject management tools; sa digital library of ?eld and technical manuals; san inventory management package; sconstruction project building design software; sconstruction site terrain modeling software tools; and stools to disseminate information to Army Battle Command. These capabilities allow soldiers us- ing ENFIRE to rapidly collect and dis- seminate accurate, current information that can be used almost immediately by commanders in their decision-making process, enabling the U.S. Armys Every Soldier as a Sensor (ES2) concept. Background Army soldiers require an accurate un- derstanding of topography, terrain and key tactical locations to successfully ac- complish missions. An important part of gathering current topographic in- formation involves soldiers performing reconnaissance missions. Before the advent of computers, digital photogra- phy and high-speed communications, gathering this type of information was done by analog means. Surveying and sketching sets have been around since the early 1920s. The current Surveying and Sketching Set was ?elded during the 1950s and was most recently updated in the 1970s with the addition of a digital calculator. The set includes rulers, a compass, pencils, paper, erasers, a sketching board, an inclinometer and a calculator, each of which leaves much room for error. For example, when performing re- connaissance operations, a soldier is required to look at hard-copy maps to determine location, use a compass to shoot an azimuth and determine dis- tance through pacing, using a string or tape measure, or trying to estimate dis- tance traveled based on time and aver- age speed. He or she then annotates in- formation in a Department of the Army report and makes sketches by hand of points of interest on graph paper. This type of information gathering process is time consuming, prone to error and does not allow for easy transfer of the information between units. Issues associated with this type of manual information collection include: sMap sheets used in the reconnais- sance may be out of date. sReadings collected from the hand- held instruments may be transcribed incorrectly. sMeasurements of distance made over rough terrain tend to be inaccurate. sSurveying and Sketching Set equip- ment is bulky and not compatible with the Armys load-bearing equip- ment packs, making it dif?cult to carry. sImages of points of interest noted in the reconnaissance are only as legible as the soldiers sketching capabili- ties. Engineer soldiers use a laser range ?nder and tablet to collect and log survey data. Photo courtesy Army Geospatial Center
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