Sapper Leader's Course Marines with 1st Combat Engineer Battalion and 3rd Light Armored Reconnaissance Battalion conduct training during the Sapper Leader's Course. This three-week-long course helps improve the Marines’ ability to conduct patrols, demolitions and demolition breachings. (U.S. Marine Corps video by Lance Cpl. Frank Webb) | 1st Marine Division

The US Army's Sapper Leader Course is a strenuous 28-day leadership development course for soldiers — especially combat engineers — that evaluates their ability to apply advanced techniques like troop leading procedures, demolitions, waterborne operations, and mountaineering operations while leading troops in combat scenarios. Those that successfully complete the course are awarded the coveted Sapper tab. | Coffee or Die