Israel's Attack on USS Liberty – Why Sinking Liberty was Mandatory?
In June 1967, as tensions escalated across the Middle East during the Six-Day War, regional politics were driven by fear, military mobilization, and conflicting intelligence reports. Warnings allegedly passed through the Soviet Union led Egypt to deploy forces in the Sinai Peninsula, expel UN peacekeepers, and block the Gulf of Aqaba, a move that severely restricted Israel’s trade routes. Against this backdrop of escalating confrontation, a series of naval events would soon lead to the controversial attack on the USS Liberty.
On the other hand, Israel saw this as a declaration of war against its existence. In Washington, U.S intelligence agencies were monitoring the military movements of Israel and Arab nations minute by minute. Officially, the U.S appeared neutral, but behind the scenes, they were in contact with Israeli intelligence. This was the point where the mission of USS Liberty began—a U.S espionage ship sent to “listen to the silent radio of the Middle East”.
A Lone Ship in the Mediterranean — What Was Liberty’s Mission?
The Liberty was ostensibly a regular U.S Navy “research ship”, but in reality, it was a floating intelligence center. Its primary task was to secretly intercept and record enemy radio, telephone, and telegraph communications. The mission was overseen by the National Security Agency (NSA), and most of the technical crew were NSA crypto analysts, linguists, and code-breaking experts—people trained to decode hidden messages in enemy signals.
Liberty’s operational area was the eastern Mediterranean, at the height of the Six-Day War. The U.S feared that Israel, Egypt or the Soviet Union might escalate the conflict. Therefore, Liberty was ordered to stay about thirteen miles off the Egyptian coast, in a “non-combat zone”, while intercepting all radio communications. The ship had forty-five antennas, advanced receivers, and a fully equipped analysis lab. It could listen to all signals in the area, whether from Cairo’s military command or Israeli tank communications.
According to internal NSA files, Liberty was specifically instructed to monitor both Israeli and Egyptian military radio networks. This made the mission dangerous because Israel did not want any foreign ship recording its war plans or coded communications. The crew was told they were on an “observation mission”, but in reality, they were spying at the very edge of a live war zone.
Liberty prominently flew the American flag. However, NSA records indicate that a “radio silence” policy was enforced on the ship—meaning it could transmit nothing, only listen. This left the ship vulnerable, as it could not immediately alert anyone to danger.
A Rain of Death from the Sky — First Strike
Around noon, the sun was blazing over the sea when suddenly a shimmering dot appeared on the horizon. In moments, it multiplied to three Israeli Air Force Mirage and Mystère fighter
The first wave of rockets and 30mm cannon fire struck the ship. Flying at extremely low altitudes, the jets targeted every antenna, radar, and signal receiver on deck. Their goal was clear: disable Liberty’s “eyes and ears”. Within minutes, all radio antennas were destroyed, and communications went silent. Radio Room 1 transmitted its last message:
"Mayday… This is Liberty… under attack… repeat, under attack!"
Moments later, the planes returned with napalm canisters that engulfed the ship in fire. The deck crew jumped into the water to survive, but the burning flames and floating debris created a deadly scene. The smell of burning paint, metal, and human flesh filled the air.
Despite the U.S. flag flying clearly, the fighter jets continued. Even medical tents marked with the Red Cross were attacked. Crew reports indicate that machine gun fire raked the deck for 15 to 20 minutes.
Torpedo Boats and the Final Blast
As afternoon approached, three high-speed Israeli torpedo boats appeared near the Liberty. Initially, the crew hoped for rescue, but the boats opened fire with machine guns, striking injured personnel again. At 2:35 pm, one boat fired five torpedoes, one of which hit Liberty’s starboard side. The explosion was so severe that the ship lifted several feet above the water, and a 40-foot-wide hole was torn in its center. Dozens of crew members went under the water immediately.
Even as torpedo boats approached again, Liberty could not return fire. They opened fire on life rafts containing wounded crew. Three rafts fell into the water, two were carried off, and one was destroyed by gunfire. The scene was unbelievable—friendly forces targeting unarmed, burning survivors.
Inside, the ship resembled an apocalypse—darkness, water, screams—but engineers, radio operators, and injured crew continued their work. After three hours, Liberty stabilized—wounded, bloodied, but afloat. In total, 34 Americans were killed and 171 injured.
Captain McGonagle — A Battle Between Life and Duty
When the torpedo tore Liberty’s side, Captain William Lawrence McGonagle stayed on the bridge. Bleeding from arms and legs, he focused only on saving the ship. Around him, crew members were dying, but he kept repeating:
"We’re not going down. Not today."
Though the radio room was destroyed, a young operator, Tony Hartnson, managed to set up a temporary antenna. McGonagle, in a blood-soaked uniform, sent the last desperate message:
"This is Liberty… we are under attack… need immediate assistance."
The message was received in Cyprus and relayed to Washington and the U.S. Sixth Fleet. Aircraft carriers prepared to respond—but direct orders came from Washington: “Hold fire.” Liberty was left alone at sea.
U.S. Investigation — Navy Court of Inquiry
When Liberty’s wounded were brought
'We were told that if we spoke, we could go to jail for revealing military secrets.'
When the report reached the White House, any mention of Israel’s intent was removed by President Lyndon B. Johnson. Crucially, the NSA’s original intelligence records—the intercepted communications showing Israeli pilots referencing the U.S. flag—went missing. The final report concluded:
'There is no evidence to prove the attack was deliberate.'
This statement buried the incident. A potential war crime investigation became just a diplomatic file, and U.S. foreign relations took priority over its citizens’ lives.
Israel’s Explanation
Israel initially claimed:
'Liberty was mistakenly identified as the Egyptian ship El Quseir.'
But El Quseir was an old, slow cargo ship, while Liberty was a modern, white signals intelligence ship, flying a large U.S. flag. The attack occurred in broad daylight with clear visibility. Survivors reported that the flag was replaced twice after the first was burned, so the attackers had to see the American flag.
Immediately after the attack, Israel apologized to the U.S. embassy and offered compensation—raising doubts about the “mistake” narrative. The result: Israel claimed error, the U.S. remained silent, and Liberty’s dead were buried under secrecy that still weighs on both nations.
Why Was Israel Targeting Liberty?
On June 8, 1967, as Liberty faced Israeli air attacks, unverified intelligence suggested that the ship had intercepted Israeli military communications discussing harsh orders regarding prisoners of war. It was claimed that a senior Israeli officer, possibly Chief of Staff Moshe Dayan or his close commanders, instructed units:
'Do not take prisoners—eliminate those who surrender.'
If true, this was an international war crime and politically explosive for Israel and its ally, the U.S. Some researchers believe the attack on Liberty was a silent message: “This ship has heard too much—let it not return.”
Mistake, Secret, or Deliberate Attack?
For decades, the question remained: was the attack on Liberty an accident or planned? Some theories suggest Liberty was targeted during a secret U.S. operation to monitor Israeli attacks on Egypt, keeping the U.S out of sight. Others argue it was designed to pressure Egypt or mislead the Soviet Union, with the crew’s lives sacrificed as part of the plan.
The media and politics covered the incident. The U.S government framed it as a “mistake” classified reports, and made files disappear. Yet Liberty’s legacy remains alive, highlighting naval sacrifices and proving that the truth can never be fully buried.