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.
briâ¢gade. 1. a military unit consisting of a headquarters and two or more regiments, squadrons, groups, or battalions. 2. a large body of troops. 3. a group of individuals organized for a particular purpose: a rescue brigade.