Which of these military products faced a massive recall during wartime due to a critical design flaw that endangered troops?

Throughout military history, equipment failures and design flaws have sometimes led to significant product recalls that impacted military operations and strategy. This poll tests your knowledge about one of the most notorious military equipment recalls that had far-reaching consequences during a major conflict. Can you identify the correct product recall from military history?

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The M16 rifle in Vietnam, which initially jammed frequently due to a lack of chrome plating in the chamber and bore, leading to thousands of failures in combat
The P-38 Lightning fighter plane in WWII, recalled after its twin-boom design caused catastrophic mid-air structural failures
The M1 Abrams tank's first deployment in Desert Storm, recalled due to sand-vulnerable air filters that caused mass engine failures
The USS Enterprise aircraft carrier's F-14 Tomcat ejection seats, recalled in 1973 after multiple pilots were accidentally ejected during routine maintenance