Based on analyzing test data of intercepting air-to-surface and surface-to-surface tactics missile, the evaluation method of kill effect of intercepting tactics missile was presented.

拦截战术导弹杀伤效果的评定方法，在分析拦截战术弹道导弹的试验数据基础上提出。

youdao

The U2 was brought down by an S-2 surface to air missile.

VOA: standard.2010.05.07

It has resorted increasingly to airstrikes, artillery barrages and surface-to-surface missile attacks to reach rebel-held areas where loyalist ground troops no longer operate.

CNN: STORY HIGHLIGHTS

Mr Haggerty reckons this would require (for openers) striking around 450 targets, including more than 20 command, control and early-warning radar centres, 150 SAM sites, 205 aircraft shelters, 32 additional air-base targets, 27 surface-to-surface (SS) missile batteries and 12 anti-ship cruise-missile batteries.

ECONOMIST: The war in Syria

Soon, 30 Mil Mi-28 attack helicopters the current standard for Russian forces in all-weather, day-night, operations and 42 Pantsir-S1 short to medium range surface-to-air missile and anti-aircraft systems again the latest in Russian technology and capable of defense against stealth aircraft will be headed to Iraq.

FORBES: Is Baghdad Becoming Tehran's Military Weapons Pipeline?