参议员克里斯托弗·范·霍伦称，土耳其总统雷杰普·塔伊普·埃尔多安公然藐视土耳其与美国的联盟，试验俄罗斯武器，并继续入侵叙利亚东北部。
由于土耳其决定购买俄罗斯防空系统，北约两个盟国之间的关系变得紧张入侵叙利亚东北部与叙利亚民主力量作战，美国支持叙利亚民主力量是反对伊斯兰国运动的一部分。
土耳其购买俄罗斯的S-400防空导弹系统一直是一个特殊的争论点。美国威胁要对安卡拉的购买行为实施制裁，担心将俄罗斯军事硬件纳入北约军事体系可能威胁北约的安全。
华盛顿方面尤其担心俄罗斯能够揭露其F-35隐形喷气式飞机项目的秘密细节，土耳其是该项目的合作生产国和购买国。华盛顿最终把土耳其踢出去了以数亿美元的代价解决了这场争端。
周一，土耳其开始对其S-400系统进行雷达探测测试，这在华盛顿引发了进一步的愤怒。
马里兰州参议员克里斯托弗·范·海伦在推特上说埃尔多安“对美国+北约特朗普嗤之以鼻，越过了S-400上的另一条红线”
“现行法律要求特朗普实施制裁，”范和伦补充道。他还建议，国务卿麦克·庞贝“还必须就土耳其最近对库尔德人的‘安全区’侵犯和袭击与土耳其进行对抗。”
2019年11月19日，土耳其总统雷杰普·塔伊普·埃尔多安出席在安卡拉举行的土耳其大国民议会党议会小组会议
特朗普宣布，在埃尔多安的军队入侵叙利亚东北部后，他将于10月对土耳其实施制裁。特朗普命令美国军队离开战斗区的阵地，为土耳其的进攻提供便利，这一威胁随即发出。
此后，总统撤销了制裁，甚至在白宫接待了埃尔多安。特朗普声称对一个永久停火“在该地区，虽然战斗每天都在继续。
埃尔多安坚决反对美国在2017年与俄罗斯签署的价值约25亿美元的S-400协议上的威胁。俄罗斯国家通讯社称，安卡拉将接收两个营的系统，同时部分转让生产技术Tass报道。
土耳其是第一个引进S-400的北约国家，拒绝了美国购买美国制造的爱国者导弹系统的提议。周二，俄罗斯国家武器出口国俄罗斯国防部长亚历山大·米哈依夫告诉俄罗斯新闻社，明年俄土军事合作可能会更加密切，路透社报道。
“我想强调的是，与土耳其的军事技术合作不仅限于供应S-400，”米哈依夫说。“我们前面有大计划。”
TURKEY'S ERDOGAN IS 'THUMBING HIS NOSE AT TRUMP' BY TESTING RUSSIAN WEAPONS AND ATTACKING KURDS, SENATOR SAYS
Turkish President Recep Tayyip Erdogan is openly flouting his country's alliance with the U.S. by testing Russian weapons and continuing an incursion into northeastern Syria, according to Senator Christopher Van Hollen.
Relations between the two NATO allies have been strained by Turkish decisions to purchase a Russian anti-aircraft system and invade northeastern Syria, fighting against the Syrian Democratic Forces which the U.S. backed as part of the campaign against the Islamic State.
Turkey's purchase of the Russian S-400 anti-aircraft missile system has been a particular point of contention. The U.S. threatened to impose sanctions on Ankara over the purchase, fearing that the inclusion of Russian military hardware within a NATO military could threaten the security of the alliance.
Washington was especially concerned that the Russians would be able to uncover secret details of its F-35 stealth jet program on which Turkey is a partner producer and buyer. Washington eventually kicked Turkey out of the F-35 program over the dispute at the cost of hundreds of millions of dollars.
On Monday, Turkey began radar detection tests for its S-400 system, prompting further anger in Washington.
Maryland Senator Christopher Van Hollen said on Twitter than Erdogan "is thumbing his nose at Trump, the U.S. + NATO, and crossing another red line on S-400s."
"Existing law requires Trump to impose sanctions," Van Hollen added. He also suggested that Secretary of State Mike Pompeo "must also confront Turkey about its latest 'safe zone' violations and attacks against the Kurds."
Turkish President Recep Tayyip Erdogan attends his party's parliamentary group meeting at the Grand National Assembly of Turkey in Ankara, on November 19, 2019.
Trump announced he would impose sanctions on Turkey in October after Erdogan's troops invaded northeastern Syria. The threat came soon after Trump ordered U.S. forces out of their positions in the combat area, facilitating the Turkish assault.
The president has since withdrawn the sanctions and even hosted Erdogan at the White House. Trump has claimed credit for a "permanent ceasefire" in the area, though fighting continues daily.
Erdogan has stood firm against U.S. threats regarding the S-400 deal with Russia, signed in 2017 and worth some $2.5 billion. Ankara is set to receive two battalions of the systems with a along with a partial transfer of production technology, Russian state news agency Tass reported.
Turkey is the first NATO nation to introduce the S-400, rejecting a U.S. proposal to purchase American-made Patriot missile systems in its stead. On Tuesday, the head of Russian state arms exporter Rosoboronexport Alexander Mikheev told the RIA news agency that next year could bring even closer Russian-Turkish military cooperation, Reuters reported.
"I want to stress that military technical cooperation with Turkey is not limited to the supply of the S-400s," Mikheev said. "We have big plans ahead."
