PHOTO OF THE DAY: Defense Secretary Robert Gates smiles while participating in a Senate Defense Subcommittee hearing on proposed budget estimates for fiscal year 2012 for the Defense Department, on Wednesday. Gates said this would he his last appearance before Congressional committee before retiring at the end of June. (Mark Wilson/Getty Images)

PHOTO OF THE DAY: President Obama tours the Automotive Training Program at the Northern Virginia Community College, Alexandria Campus, before delivering remarks on Wednesday in Alexandria, Va. Obama spoke about the importance of training and preparing the workforce to compete for manufacturing jobs. (Jim Lo Scalzo-Pool/Getty Images)

In Focus: Space Shuttle Endevaour’s final mission.

Thirty-eight high resolution photos, for your enjoyment.

WASSAAAAAAA?

(Spencer Platt/Getty Images)

Space Shuttle Endeavour’s final liftoff, as STS-134. The youngest shuttle will soon permanently reside in California. (Mark Wilson/Getty Images)

PHOTO OF THE DAY: Rep. Ron Paul, R-Texas, announces his presidential candidacy on Friday at Exeter Town Hall in Exeter, N.H. Paul is the second Republican this week to announce his candidacy, with fellow republican Newt Gingrich also announcing earlier in the week. (Darren McCollester/Getty Images)

PHOTO OF THE DAY: House Majority Leader Eric Cantor, R-Va., rings the opening bell at the New York Stock Exchange on Tuesday. The Majority Leader met with business leaders before returning to Washington ahead of the continuing debt limit fight. (Spencer Platt/Getty Images)

In which Osama bin Laden is briefly watching the United States Senate.

Two things we’d never imagine seeing in the same frame: Queen Elizabeth II and a computer. (WPA Pool via Getty Images)

nightline:

The NYPD just tweeted this photo of a log book at the police precinct the President visited

 It says “Barack Obama” and “God Bless!”