kennedy ultimately decided Deciding to enter Becoming_a_member the 1980 democratic party Participation presidential primaries , but earned Earnings_and_losses only 37.6 % of the vote and lost Earnings_and_losses the nomination to incumbent president jimmy carter .

operation eagle claw , known as operation tabas ( ) in iran , was a united states armed forces operation ordered by u.s. president jimmy carter to attempt to end Process_end the iran hostage crisis by rescuing Rescuing 52 embassy staff held Defending captive at the embassy of the united states , tehran on 24 april 1980 .

these efforts were not particularly well received Receiving because in the 1980 presidential election Choosing , patco refused Agree_or_refuse_to_act to back president jimmy carter , instead endorsing republican party Social_event candidate ronald reagan .