Regular members of all three services of the Armed Forces and members from the Army Reserve are eligible to apply to join the regiment. An applicant is required to successfully pass a 5 day Briefing Course and then successfully complete a 25 week UK Special Forces Communicators Course (UKSFCC) to become a Special Forces Communicator (SFC). Prior to attempting the UKSFCC, applicants have the option of attending a 3 week SFC Preparation Course. The Special Forces Communicators Course consists of six phases: technical trade assessment, general support communications, physical aptitude, close support communications, conduct after capture, military training and special forces parachute training. Applicants for reserve service in 63 (UKSF) Signal Squadron have to successfully pass an Assessment Course conducted over three weekends and then complete a two week Royal Signals Communications Training course to be eligible to be accepted as Fit for Appointment to the squadron. The applicant is then posted to the squadron to carry out a probationary year completing mandatory courses and a two week training exercise to achieve Fit for Mobilisation. The regiment comprises: