Mountaineering or alpinism, is a set of outdoor activities that involves ascending tall mountains. Mountaineering-related activities include traditional outdoor climbing, skiing, and traversing via ferratas. Indoor climbing, sport climbing, and bouldering are also considered variants of mountaineering by some.
Bondage in the BDSM subculture, is the practice of consensually tying, binding, or restraining a partner for erotic, aesthetic, or somatosensory stimulation. A partner may be physically restrained in a variety of ways, including the use of rope, cuffs, bondage tape, or self-adhering bandage.
Abseiling, also known as rappelling, is the controlled descent of a steep slope, such as a rock face, by moving down a rope. When abseiling the person descending controls their own movement down the rope, in contrast to lowering off in which the rope attached to the person descending is paid out by their belayer.
Bondage in BDSM, is the activity of tying or restraining people using equipment such as chains, cuffs, or collars for mutual erotic pleasure. According to the Kinsey Institute, 12% of females and 22% of males respond erotically to BDSM.
Suspension bondage is a form of sexual bondage where a bound person is hung from one or more overhead suspension points. It carries a higher risk than other forms of sexual bondage.
The Munter hitch, also known as the Italian hitch, mezzo barcaiolo or the crossing hitch, is a simple adjustable knot, commonly used by climbers, cavers, and rescuers to control friction in a life-lining or belay system. To climbers, this hitch is also known as HMS, the abbreviation for the German term Halbmastwurfsicherung, meaning half clove hitch belay. This technique can be used with a special "pear-shaped" HMS locking carabiner, or any locking carabiner wide enough to take two turns of the rope.
Tow-in surfing is a surfing technique which uses artificial assistance to allow the surfer to catch faster moving waves than was traditionally possible when paddling by hand. Tow-in surfing was invented by surfers who wanted to catch big waves and break the 30 ft (9 m) barrier. It has been one of the biggest breakthroughs in surfing history.
Fast-roping is a technique for descending a thick rope, allowing troops to deploy from a helicopter in places where the aircraft cannot touch down.
Air assault is the movement of ground-based military forces by vertical take-off and landing (VTOL) aircraft—such as the helicopter—to seize and hold key terrain which has not been fully secured, and to directly engage enemy forces behind enemy lines. In addition to regular infantry training, air-assault units usually receive training in rappelling, fast-rope techniques and air transportation, and their equipment is sometimes designed or field-modified to allow better transportation within aircraft.
An ascender is a device used for directly ascending a rope, or for facilitating protection with a fixed rope when climbing on very steep mountain terrain.
Guards, also referred to as Guardsmen, is a rapid deployment infantry formation of the Singapore Army specialising in heliborne and underslung operations. Having undergone rigorous training and working in highly coordinated teams, they can be deployed to any terrain at high speed from hovering helicopters using specialised techniques such as hover-jumping, heli-rappelling and fast-roping, along with their Light Strike Vehicles. Guardsmen are also trained in urban warfare and fighting on fortified terrain.
Wire rope is several strands of metal wire twisted into a helix forming a composite rope, in a pattern known as laid rope. Larger diameter wire rope consists of multiple strands of such laid rope in a pattern known as cable laid.
The Special Patrol Insertion/Extraction (SPIE) system was developed as a means to rapidly insert and/or extract a reconnaissance patrol from an area that does not permit a helicopter to land. SPIE has application for rough terrain as well as water inserts/extracts. It is an adaptation of the Vietnam War-era STABO rig.
In aviation, a brownout is an in-flight visibility restriction due to dust or sand in the air. In a brownout, the pilot cannot see nearby objects which provide the outside visual references necessary to control the aircraft near the ground. This can cause spatial disorientation and loss of situational awareness leading to an accident. Pilots have compared landing during brownouts to parallel parking an automobile with one's eyes closed.
The Special Forces Group is the special forces unit in the Land Component of the Belgian Armed Forces.
Avalanche control or avalanche defense activities reduce the hazard avalanches pose to human life, activity, and property. Avalanche control begins with a risk assessment conducted by surveying for potential avalanche terrain by identifying geographic features such as vegetation patterns, drainages, and seasonal snow distribution that are indicative of avalanches. From the identified avalanche risks, the hazard is assessed by identifying threatened human geographic features such as roads, ski-hills, and buildings. Avalanche control programs address the avalanche hazard by formulating prevention and mitigation plans, which are then executed during the winter season. The prevention and mitigation plans combine extensive snow pack observation with three major groups of interventions: active, passive and social - sometimes more narrowly defined as "explosive", "structural", and "awareness" according to the most prevalent technique used in each. Avalanche control techniques either directly intervene in the evolution of the snow pack, or lessen the effect of an avalanche once it has occurred. For the event of human involvement, avalanche control organizations develop and train exhaustive response and recovery plans.
The Special Operations Training Group, or SOTG, is a training section of the United States Marine Corps providing Marine Expeditionary Force (MEF) commanders with training facilities and a liaison for Marine Expeditionary Units (MEU). The SOTG provides special operations training for various branches and also participates in the MEUs' Special Operations Capable Certification by acting as the "Training and Evaluation Board" for the exercises and events during the MEU annual training cycles.
The United States Marine Corps Reconnaissance Training Company trains Marines in the amphibious environment as a Reconnaissance Marine, MOS 0321. It is under the Advanced Infantry Training Battalion (AITB) of the School of Infantry (West), Marine Corps Base Camp Pendleton, California.
1st Force Reconnaissance Company conducts deep reconnaissance and direct action raids in support of I Marine Expeditionary Force requirements across the range of military operations to include crisis response, expeditionary operations and major combat operations. 1st Force Recon Company was deactivated 26 October 2006 and the majority of the personnel were used to create 1st Marine Special Operations Battalion.
Exposure is a climbing and hiking term. Sections of a hiking path or climbing route are described as "exposed" if there is a high risk of injury in the event of a fall because of the steepness of the terrain. If such routes are negotiated without any protection, a false step can result in a serious fall. The negotiation of such routes can cause fear of falling because of the potential danger.
