In Mariener's holodeck movie, "The Rise of Vindicta", one of the plot points is that a second contact mission was done by the USS San Clemente, which didn't exist in Starfleet. But the San Clemente was listed by Boimler as one of the California-class ships that came to their rescue.
When Rutherford was explaining why he was keeping his implant, he was scrolling through various modes that gave him extra scanning capabilities. He could see everyone's skeleton, then their heat signature, except for an engineering lieutenant (with a black beard, standing near the bar) and a female brunette he's talking to, whom Rutherford didn't see either characteristic.
When Captain Freeman demands more speed, a hand of someone in a yellow uniform is seen manipulating the flight controls to increase speed. That would indicate that it was Ensign Barnes who increased the speed, however, Barnes is seated at the ops station, not helm. Boimler is at the helm and had previously enacted the captain's orders regarding heading and speed, but he wears a red uniform.
When Captain Freeman demands more speed, she's actually speaking to Engineering. It's Lt. Commander Billups' hand seen shunting all available power to the warp engines, and since he's the Chief Engineer of the Cerritos, he's wearing the correct gold uniform.
When Captain Freeman demands more speed, she's actually speaking to Engineering. It's Lt. Commander Billups' hand seen shunting all available power to the warp engines, and since he's the Chief Engineer of the Cerritos, he's wearing the correct gold uniform.