The Pipes and Drums of 19 Regt RA stealing the show during rehearsals. #RA300 #U300 #CGB

19RA ready to receive the Royal Regiment's guests at Larkhill for the tercentenary. #U300 #U300 #CGB @Ubique300

In the spirit of Ubique, 38 (Seringapatam) Bty RA will be celebrating from Canada.#U300 #RA300 @Ubique300

Happy 300th birthday to the Royal Regiment of Artillery. You don't get away from the guns. #RA300 #U300 #CGB @Ubique300 Royal Artillery

Intelligence suggests that our Quartermaster may have been at the last RA centenary parade! #RA300 #U300 @Ubique300 Royal Artillery

The pipe banners are up, the crowds are arriving and the weather is glorious. #U300 #RA300 @Ubique300

176 (Abu Klea) Battery RA enjoying the sunshine. #RA300 #U300 #onceagunneralwaysagunner @Ubique300

From Congreve's rockets to MLRS, 300 years of history are on display at #RA300 @Ubique300 Royal Artillery

The Royal Artillery parade in #Larkhill before HM The Queen to celebrate 300 year history #UBIQUE300

The Queen, addressing Royal Artillery - "You should be rightly proud of your achievements" #RA300 bit.ly/1OPnVcO

The Queen celebrates 300th anniversary of the Royal Artillery dailymail.co.uk/femail/article… #RA300 #Glorious

16 Scottish Gunners from 176 Bty ran the Edinburgh marathon today the RACF. Fantastic effort!#edinburghmarathon

Final preparations for Ex TARTAN DAGGER, the employment and integration of joint fires. #jointfiresexcellence

Lead elements of the Regiment have deployed forward on Ex TARTAN DAGGER. #jointfiresexcellence

Congratulations Capt Stu Lennox winner of RA European Carp champs - this huge sturgeon didn't count!

Helicopter insertion into covert Observation Posts by ABU FSTs on Ex TARTAN DAGGER. Royal Artillery

They start them young in 127 (Dragon) Battery tactical group! #jointfiresexcellence

Dragons firing from Copehill Down #jointfiresexcellence

176 Bty Fire Support Teams train for darkness hours operations. #jointfiresexcellence

Strong foundations will support us during future challenges. #trainthebasics #jointfiresexcellence