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. (Military) a. (of troops, etc) the act of emerging from a contained or besieged position. b. the troops doing this. 2. (Military) an operational flight made by one aircraft. 3. a short or relatively short return trip. vb, -ties, -tieing or -tied. (Military) (intr) to make a sortie.