The Al Abbas was a domestically produced missile of Iraq that was tested in April 1988. With a range of 900km, it put all of Iran, including the strait of Hormuz easily within reach. it had a diameter of 0.88m and a length of 14.50m. It is unclear how many of these were produced or fired. April is the fourth month of the year in the Gregorian Calendar and one of four with the length of 30 days. ... Historical map of the area (1892) Map Of Strait of Hormuz Satellite image The Strait of Hormuz (Arabic: ‎, Persian: ‎) is a narrow, strategically important stretch of ocean between the Gulf of Oman in the southeast and the Persian Gulf in the southwest. ...

Source: http://www.fas.org/nuke/guide/iraq/missile/al_abbas.htm // Look up source in Wiktionary, the free dictionary. ...