Jennie Lane 
The range and accuracy of a projectile are determined by factors such as projectile design, launch mechanism, and environmental conditions, with considerations like aerodynamic efficiency, weight, balance, barrel length, rifling, propelling charge, atmospheric conditions, and earth’s spin, while incorporating features like high ISP propellant and projectile guidance systems can maximize both range and accuracy in weapons systems.
This article explains the sequence and mechanisms involved in an in-flight emergency escape with seat ejection, including canopy fracture or jettison, seat ejection, parachute deployment, and successful aircrew recovery, as well as the ground emergency egress procedure.
Canopy or transparency removal systems are recommended in military aircraft ejections to prevent elevated levels of head and neck load on the aircrew and potential injuries, with methods including canopy jettison and canopy fracturing using materials like acrylic, polycarbonate, or laminate, while the sequencing of the escape system is achieved through interconnected explosive transfer lines and various components to ensure a safe and proper order of events for canopy removal and seat ejection.
Flight or thrust termination systems are essential for missiles and space launch vehicles flying on military test ranges in the United States, consisting of components such as a receiver, Safe & Arm Device, and termination system that work together to initiate a controlled detonation, typically using linear shaped charge or destruct charge, to ensure the safe termination of the flight.
Since the USS Forrestal incident in 1967, our company has been at the forefront of developing an active mitigation system, the thermally initiated venting system (TIVS), which uses an auto-ignition material (AIM) and linear shape charge (LSC) to cut the missile, munition, or canister case, reducing pressure buildup and increasing safety levels to meet STANAG 4439 and AOP-39 standards without the need for external energy sources.
Accurate target hitting from weapon systems involves various factors, including stability, aim point, projectile speed, environmental adjustments, and target characteristics, with “hit-to-kill” applications requiring a Divert Attitude Control System (DACS) comprised of propellant-based rocket motors or thrusters for final course correction, and our company is dedicated to providing innovative solutions for large and small DACS with adaptable thrust output and a wide range of motor impulse levels.
With over 50 years of experience, our company specializes in manufacturing highly reliable payload separation systems for launch vehicles and missiles, utilizing either Linear Shaped Charge (LSC) or Mild Detonating Cord (MDC) to open a predetermined section and allow for payload dispersion, while the Expanding Tube Assembly (XTA) provides an alternative method by mechanically stressing the structure to fracture, ensuring mission critical payloads release on time with minimal shock to the rest of the vehicle.
Our Hold Down Release Mechanism (HDRM) is a reliable and customizable solution used to secure spacecraft equipment during launch and release them upon external command, offering a range of options including Release Nuts, Explosive Bolts, and Pyrotechnic Cutters, with built-in redundancy and optimization for mission-specific requirements.