In the manga, when Shin and Mickey escape Farina's land carrier by stealing a guard's uniform and pulling a ridiculous two-men-one-dress routine. Even Farina was laughing!
In the manga, when Josie tells Saki about the plot on his life while at the Swiss hospital. Saki was so startled that he accidentally crunched down on his oral thermometer, then looked ridiculous as he spit out the broken pieces.
In issue 43 of the manga (published in Animerica), Shin and Mickey tease each other after having their casts removed. The exchange was rather thick with ho yay.
In manga that did not make it stateside, when Mickey puts on an American colonial-era costume. Hilarious in hindsight, given that Tea Party supporters are known for wearing such costumes.
In manga that did not make it stateside, when Mickey tries to give McCoy a big kiss after McCoy finds a replacement F-14 Tomcat for him. McCoy resists and chases Mickey off.