Washington, April 5 (NationPress) The United States is urgently working to find a missing airman following the downing of an F-15 fighter jet over Iran, as tensions between Washington and Tehran escalate, indicating a perilous new chapter in the ongoing conflict.

On Saturday, US forces intensified their search-and-rescue operations for a crew member of the F-15 jet, which was shot down during combat missions, marking a notable increase in direct confrontations, as reported by The Washington Post.

This aircraft was one of two US warplanes lost to adversarial fire on Friday, with one crew member successfully rescued while the second remains missing.

This incident represents the first confirmed instance of an American crewed aircraft being downed within Iranian borders since the onset of the war, heightening concerns within the Pentagon regarding the potential for deeper military involvement.

The rescue operations have proven to be perilous.

Two US helicopters engaged in the mission were struck by Iranian fire, resulting in injuries to personnel. Meanwhile, Iranian state media circulated messages offering a 'substantial' reward for the capture of the missing airman, as reported by The Washington Post.

Additionally, an A-10 attack aircraft also came under fire, but its pilot managed to eject safely and was subsequently rescued, according to Fox News.

The situation has escalated amid sharply rising rhetoric from both sides.

President Donald Trump has issued a stern warning to Iran to reopen the Strait of Hormuz or face dire consequences, stating that 'time is running out - 48 hours before all Hell will rain down upon them,' as he wrote on Truth Social.

In response, Iranian military officials have issued similar warnings, declaring that 'the gates of hell will be opened upon you' if attacks persist, as reported by CNN.

This exchange of threats underscores the increasing tensions surrounding the Strait, a vital global energy passage that Iran has effectively restricted in response to US-Israeli actions.

Previously, US officials had claimed air superiority, but the recent shootdown has raised new questions about the efficacy of Iran’s air defense systems and its operational resilience.

Search efforts continue in a hostile environment.

Reportedly, Iranian tribesmen have fired upon US helicopters involved in the rescue, while local groups have mobilized to assist in locating the missing airman, according to CNN.

This incident also poses a potential political challenge for Washington.

If the missing crew member is captured, it could complicate the Trump administration's ongoing efforts to encourage dialogue with Tehran, as noted by The Washington Post.

Despite the inherent risks, US officials have indicated that recovery operations will persist.

'Our recovery forces and combat search-and-rescue capabilities are exceptionally trained and capable, and they will stop at nothing until we recover our crew member,' stated Ravi Chaudhary, a former US Air Force official, to CNN.

Meanwhile, Israeli forces have reportedly halted strikes in areas where the missing airman is believed to be located and are sharing intelligence with US forces, as reported by The New York Times.

The conflict, now entering its sixth week, continues to expand across the region, with reports of strikes in Iran, Lebanon, and beyond.