Since EHV-1 is a common virus in horses, it is recommended that all horses be vaccinated at least once a year. For horses congregating at shows and competitions, more frequent vaccinations may be recommended.
Enfilade and defilade. Enfilade and defilade are concepts in military tactics used to describe a military formation's exposure to enemy fire. A formation or position is in enfilade if weapons fire can be directed along its longest axis.
1 Draft resistance, organized or personal opposition to military conscription. 2  HMS Resistance, the name of four ships of the Royal Navy, and one planned one.  Resistance (military) is the ability of an organized force to stand on the defensive.