On July 28, 2009, objectively speaking, the overall combat effectiveness of the 054A frigate has already reached a fairly high level. However, compared with the world's advanced levels, there is still a noticeable gap. Therefore, in the future, the primary improvement for the HHQ-16 medium-range ship-to-air missile will be replacing it with a new engine and adding boosters. Of course, the increase in missile range will also be subject to fire control. April 29, 2007...