ANKARA, Turkey ��" Israel's deadly raid on a Gaza-bound aid ship has ignited unprecedented anger in Turkey and driven the Jewish state's relations with its most important Muslim ally to their lowest point in six decades. There are signs, however, that the countries' long-term strategic alliance and military ties will endure. Prime Minister Recep Tayyip Erdogan furiously told parliament Tuesday that the "bloody massacre" of at least four Turkish activists among nine passengers slain by Israeli naval commandos was a turning point in the long-standing alliance. "Nothing will be the same again," Erdogan said, gesturing angrily, his voice shaking at times. Thousands of Turks staged protests across the country and pockets of demonstrators shouted "down with Israel!" near the Israeli ambassador's residence ��" an unusual sight in one of the capital's richest districts. The pro-Islamic newspaper Yeni Safak described the Israeli troops as "The children of Hitler" in a banner headline. But other officials were delivering messages of restraint and Turkey said it was not canceling plans to accept $183 million (euro150.56 million) worth of Israeli drone planes this summer. "We will find a solution within law and diplomacy," Deputy Prime Minister Bulent Arinc said Monday. "No one should expect us to declare war on Israel over this." Turkey's eight-year-old Islamic-rooted government has publicly and frequently expressed outrage over Israel's 2008-2009 war in Gaza and continuing blockade of the strip. But Turkey's deeply secular military remains heavily dependent on high-tech Israeli arms in its battle against Kurdish separatist guerrillas based along Turkey's mountainous southeastern border with Iraq. Israel's right-leaning government said that the countries' defense ministers had agreed hours after the raid that the incident wouldn't affect Israeli weapons sales to Turkey. The massive Heron drones to be delivered this summer can fly at least 20 hours nonstop and first saw action against Hamas in the Gaza war. Turkey hopes they can gather crucial intelligence on Kurdish rebels and allow pinpoint strikes at a time of escalating insurgent attacks. Israel also recently completed a more than $1 billion upgrade of Turkey's aging tank fleet and US-made F-4 warplanes. Turkey has opened its airspace to Israeli pilots for training purposes.